Cognitive Deficits as a Mediator of Poor Occupational Function in Remitted Major Depressive Disorder Patients

Young Sup Woo, Joshua D Rosenblat, Ron Kakar, Won-Myong Bahk, Roger S McIntyre, Young Sup Woo, Joshua D Rosenblat, Ron Kakar, Won-Myong Bahk, Roger S McIntyre

Abstract

Cognitive deficits in major depressive disorder (MDD) patients have been described in numerous studies. However, few reports have aimed to describe cognitive deficits in the remitted state of MDD and the mediational effect of cognitive deficits on occupational outcome. The aim of the current review is to synthesize the literature on the mediating and moderating effects of specific domains of cognition on occupational impairment among people with remitted MDD. In addition, predictors of cognitive deficits found to be vocationally important will be examined. Upon examination of the extant literature, attention, executive function and verbal memory are areas of consistent impairment in remitted MDD patients. Cognitive domains shown to have considerable impact on vocational functioning include deficits in memory, attention, learning and executive function. Factors that adversely affect cognitive function related to occupational accommodation include higher age, late age at onset, residual depressive symptoms, history of melancholic/psychotic depression, and physical/psychiatric comorbidity, whereas higher levels of education showed a protective effect against cognitive deficit. Cognitive deficits are a principal mediator of occupational impairment in remitted MDD patients. Therapeutic interventions specifically targeting cognitive deficits in MDD are needed, even in the remitted state, to improve functional recovery, especially in patients who have a higher risk of cognitive deficit.

Keywords: Cognition; Depression; Occupational outcome; Remission.

References

    1. Hamet P, Tremblay J. Genetics and genomics of depression. Metabolism. 2005;54(5 Suppl 1):10–15. doi: 10.1016/j.metabol.2005.01.006.
    1. Kessler RC, Berglund P, Demler O, Jin R, Koretz D, Merikangas KR, et al. National Comorbidity Survey Replication. The epidemiology of major depressive disorder: results from the National Comorbidity Survey Replication (NCS-R) JAMA. 2003;289:3095–3105. doi: 10.1001/jama.289.23.3095.
    1. Bakish D. New standard of depression treatment: remission and full recovery. J Clin Psychiatry. 2001;62( Suppl 26):5–9.
    1. Hirschfeld RM, Dunner DL, Keitner G, Klein DN, Koran LM, Kornstein SG, et al. Does psychosocial functioning improve independent of depressive symptoms? A comparison of nefazodone, psychotherapy, and their combination. Biol Psychiatry. 2002;51:123–133. doi: 10.1016/S0006-3223(01)01291-4.
    1. Miller IW, Keitner GI, Schatzberg AF, Klein DN, Thase ME, Rush AJ, et al. The treatment of chronic depression, part 3: psychosocial functioning before and after treatment with sertraline or imipramine. J Clin Psychiatry. 1998;59:608–619. doi: 10.4088/JCP.v59n1108.
    1. Moussavi S, Chatterji S, Verdes E, Tandon A, Patel V, Ustun B. Depression, chronic diseases, and decrements in health: results from the World Health Surveys. Lancet. 2007;370:851–858. doi: 10.1016/S0140-6736(07)61415-9.
    1. Murray CJ, Lopez AD. Evidence-based health policy--lessons from the Global Burden of Disease Study. Science. 1996;274:740–743. doi: 10.1126/science.274.5288.740.
    1. Murray CJL, Lopez AD Harvard School of Public Health, World Health Organization, World Bank. The global burden of disease: a comprehensive assessment of mortality and disability from diseases, injuries, and risk factors in 1990 and projected to 2020. Cambridge, MA: Published by Harvard School of Public Health on behalf of the World Health Organization and the World Bank; Distributed by Harvard University Press; 1996.
    1. Judd LL, Akiskal HS, Zeller PJ, Paulus M, Leon AC, Maser JD, et al. Psychosocial disability during the long-term course of unipolar major depressive disorder. Arch Gen Psychiatry. 2000;57:375–380. doi: 10.1001/archpsyc.57.4.375.
    1. Gotlib IH, Lewinsohn PM, Seeley JR. Symptoms versus a diagnosis of depression: differences in psychosocial functioning. J Consult Clin Psychol. 1995;63:90–100. doi: 10.1037/0022-006X.63.1.90.
    1. Judd LL, Akiskal HS, Paulus MP. The role and clinical significance of subsyndromal depressive symptoms (SSD) in unipolar major depressive disorder. J Affect Disord. 1997;45:5–17. doi: 10.1016/S0165-0327(97)00055-4. discussion 17–18.
    1. Judd LL, Rapaport MH, Paulus MP, Brown JL. Subsyndromal symptomatic depression: a new mood disorder? J Clin Psychiatry. 1994;55( Suppl):18–28.
    1. Lam RW, Filteau MJ, Milev R. Clinical effectiveness: the importance of psychosocial functioning outcomes. J Affect Disord. 2011;132( Suppl 1):S9–S13. doi: 10.1016/j.jad.2011.03.046.
    1. Greer TL, Kurian BT, Trivedi MH. Defining and measuring functional recovery from depression. CNS Drugs. 2010;24:267–284. doi: 10.2165/11530230-000000000-00000.
    1. Judd LL, Schettler PJ, Solomon DA, Maser JD, Coryell W, Endicott J, et al. Psychosocial disability and work role function compared across the long-term course of bipolar I, bipolar II and unipolar major depressive disorders. J Affect Disord. 2008;108:49–58. doi: 10.1016/j.jad.2007.06.014.
    1. Kessler RC, Akiskal HS, Ames M, Birnbaum H, Greenberg P, Hirschfeld RM, et al. Prevalence and effects of mood disorders on work performance in a nationally representative sample of U.S. workers. Am J Psychiatry. 2006;163:1561–1568. doi: 10.1176/ajp.2006.163.9.1561.
    1. Veiel HO. A preliminary profile of neuropsychological deficits associated with major depression. J Clin Exp Neuropsychol. 1997;19:587–603. doi: 10.1080/01688639708403745.
    1. Elliott R. Executive functions and their disorders. Br Med Bull. 2003;65:49–59. doi: 10.1093/bmb/65.1.49.
    1. Burt DB, Zembar MJ, Niederehe G. Depression and memory impairment: a meta-analysis of the association, its pattern, and specificity. Psychol Bull. 1995;117:285–305. doi: 10.1037/0033-2909.117.2.285.
    1. Ravnkilde B, Videbech P, Clemmensen K, Egander A, Rasmussen NA, Rosenberg R. Cognitive deficits in major depression. Scand J Psychol. 2002;43:239–251. doi: 10.1111/1467-9450.00292.
    1. Conradi HJ, Ormel J, de Jonge P. Presence of individual (residual) symptoms during depressive episodes and periods of remission: a 3-year prospective study. Psychol Med. 2011;41:1165–1174. doi: 10.1017/S0033291710001911.
    1. Jaeger J, Berns S, Uzelac S, Davis-Conway S. Neurocognitive deficits and disability in major depressive disorder. Psychiatry Res. 2006;145:39–48. doi: 10.1016/j.psychres.2005.11.011.
    1. Snyder HR. Major depressive disorder is associated with broad impairments on neuropsychological measures of executive function: a meta-analysis and review. Psychol Bull. 2013;139:81–132. doi: 10.1037/a0028727.
    1. Hasselbalch BJ, Knorr U, Kessing LV. Cognitive impairment in the remitted state of unipolar depressive disorder: a systematic review. J Affect Disord. 2011;134:20–31. doi: 10.1016/j.jad.2010.11.011.
    1. Buist-Bouwman MA, Ormel J, de Graaf R, de Jonge P, van Sonderen E, Alonso J, et al. ESEMeD/MHEDEA 2000 investigators. Mediators of the association between depression and role functioning. Acta Psychiatr Scand. 2008;118:451–458. doi: 10.1111/j.1600-0447.2008.01285.x.
    1. Reischies FM, Neu P. Comorbidity of mild cognitive disorder and depression--a neuropsychological analysis. Eur Arch Psychiatry Clin Neurosci. 2000;250:186–193. doi: 10.1007/s004060070023.
    1. Paradiso S, Lamberty GJ, Garvey MJ, Robinson RG. Cognitive impairment in the euthymic phase of chronic unipolar depression. J Nerv Ment Dis. 1997;185:748–754. doi: 10.1097/00005053-199712000-00005.
    1. Neu P, Bajbouj M, Schilling A, Godemann F, Berman RM, Schlattmann P. Cognitive function over the treatment course of depression in middle-aged patients: correlation with brain MRI signal hyperintensities. J Psychiatr Res. 2005;39:129–135. doi: 10.1016/j.jpsychires.2004.06.004.
    1. Biringer E, Mykletun A, Sundet K, Kroken R, Stordal KI, Lund A. A longitudinal analysis of neurocognitive function in unipolar depression. J Clin Exp Neuropsychol. 2007;29:879–891. doi: 10.1080/13803390601147686.
    1. Preiss M, Kucerova H, Lukavsky J, Stepankova H, Sos P, Kawaciukova R. Cognitive deficits in the euthymic phase of unipolar depression. Psychiatry Res. 2009;169:235–239. doi: 10.1016/j.psychres.2008.06.042.
    1. Clark L, Sarna A, Goodwin GM. Impairment of executive function but not memory in first-degree relatives of patients with bipolar I disorder and in euthymic patients with unipolar depression. Am J Psychiatry. 2005;162:1980–1982. doi: 10.1176/appi.ajp.162.10.1980.
    1. Smith DJ, Muir WJ, Blackwood DH. Neurocognitive impairment in euthymic young adults with bipolar spectrum disorder and recurrent major depressive disorder. Bipolar Disord. 2006;8:40–46. doi: 10.1111/j.1399-5618.2006.00275.x.
    1. Daniel BD, Montali A, Gerra ML, Innamorati M, Girardi P, Pompili M, et al. Cognitive impairment and its associations with the path of illness in affective disorders: a comparison between patients with bipolar and unipolar depression in remission. J Psychiatr Pract. 2013;19:275–287. doi: 10.1097/01.pra.0000432597.79019.e2.
    1. Weiland-Fiedler P, Erickson K, Waldeck T, Luckenbaugh DA, Pike D, Bonne O, et al. Evidence for continuing neuropsychological impairments in depression. J Affect Disord. 2004;82:253–258. doi: 10.1016/j.jad.2003.10.009.
    1. Paelecke-Habermann Y, Pohl J, Leplow B. Attention and executive functions in remitted major depression patients. J Affect Disord. 2005;89:125–135. doi: 10.1016/j.jad.2005.09.006.
    1. Kaneda Y. Verbal working memory impairment in patients with current episode of unipolar major depressive disorder and in remission. Clin Neuropharmacol. 2009;32:346–347. doi: 10.1097/WNF.0b013e3181b130a0.
    1. Clark L, Kempton MJ, Scarnà A, Grasby PM, Goodwin GM. Sustained attention-deficit confirmed in euthymic bipolar disorder but not in first-degree relatives of bipolar patients or euthymic unipolar depression. Biol Psychiatry. 2005;57:183–187. doi: 10.1016/j.biopsych.2004.11.007.
    1. Nakano Y, Baba H, Maeshima H, Kitajima A, Sakai Y, Baba K, et al. Executive dysfunction in medicated, remitted state of major depression. J Affect Disord. 2008;111:46–51. doi: 10.1016/j.jad.2008.01.027.
    1. Yuan Y, Zhang Z, Bai F, Yu H, Shi Y, Qian Y, et al. Abnormal neural activity in the patients with remitted geriatric depression: a resting-state functional magnetic resonance imaging study. J Affect Disord. 2008;111:145–152. doi: 10.1016/j.jad.2008.02.016.
    1. Lin K, Xu G, Lu W, Ouyang H, Dang Y, Lorenzo-Seva U, et al. Neuropsychological performance in melancholic, atypical and undifferentiated major depression during depressed and remitted states: a prospective longitudinal study. J Affect Disord. 2014;168:184–191. doi: 10.1016/j.jad.2014.06.032.
    1. Biringer E, Lundervold A, Stordal K, Mykletun A, Egeland J, Bottlender R, et al. Executive function improvement upon remission of recurrent unipolar depression. Eur Arch Psychiatry Clin Neurosci. 2005;255:373–380. doi: 10.1007/s00406-005-0577-7.
    1. Hasselbalch BJ, Knorr U, Hasselbalch SG, Gade A, Kessing LV. Cognitive deficits in the remitted state of unipolar depressive disorder. Neuropsychology. 2012;26:642–651. doi: 10.1037/a0029301.
    1. Bora E, Harrison BJ, Yücel M, Pantelis C. Cognitive impairment in euthymic major depressive disorder: a meta-analysis. Psychol Med. 2013;43:2017–2026. doi: 10.1017/S0033291712002085.
    1. Beats BC, Sahakian BJ, Levy R. Cognitive performance in tests sensitive to frontal lobe dysfunction in the elderly depressed. Psychol Med. 1996;26:591–603. doi: 10.1017/S0033291700035662.
    1. Roiser JP, Sahakian BJ. Hot and cold cognition in depression. CNS Spectr. 2013;18:139–149. doi: 10.1017/S1092852913000072.
    1. Harmer CJ, Goodwin GM, Cowen PJ. Why do antidepressants take so long to work? A cognitive neuropsychological model of antidepressant drug action. Br J Psychiatry. 2009;195:102–108. doi: 10.1192/bjp.bp.108.051193.
    1. Miskowiak KW, Carvalho AF. ‘Hot’ cognition in major depressive disorder: a systematic review. CNS Neurol Disord Drug Targets. 2014;13:1787–1803. doi: 10.2174/1871527313666141130205713.
    1. Leppänen JM. Emotional information processing in mood disorders: a review of behavioral and neuroimaging findings. Curr Opin Psychiatry. 2006;19:34–39. doi: 10.1097/01.yco.0000191500.46411.00.
    1. Kerestes R, Ladouceur CD, Meda S, Nathan PJ, Blumberg HP, Maloney K, et al. Abnormal prefrontal activity subserving attentional control of emotion in remitted depressed patients during a working memory task with emotional distracters. Psychol Med. 2012;42:29–40. doi: 10.1017/S0033291711001097.
    1. Foland-Ross LC, Cooney RE, Joormann J, Henry ML, Gotlib IH. Recalling happy memories in remitted depression: a neuroimaging investigation of the repair of sad mood. Cogn Affect Behav Neurosci. 2014;14:818–826. doi: 10.3758/s13415-013-0216-0.
    1. Mackinger HF, Pachinger MM, Leibetseder MM, Fartacek RR. Autobiographical memories in women remitted from major depression. J Abnorm Psychol. 2000;109:331–334. doi: 10.1037/0021-843X.109.2.331.
    1. Evans VC, Iverson GL, Yatham LN, Lam RW. The relationship between neurocognitive and psychosocial functioning in major depressive disorder: a systematic review. J Clin Psychiatry. 2014;75:1359–1370. doi: 10.4088/JCP.13r08939.
    1. Fennig S, Mottes A, Ricter-Levin G, Treves I, Levkovitz Y. Everyday memory and laboratory memory tests: general function predictors in schizophrenia and remitted depression. J Nerv Ment Dis. 2002;190:677–682. doi: 10.1097/00005053-200210000-00004.
    1. Yen YC, Rebok GW, Gallo JJ, Jones RN, Tennstedt SL. Depressive symptoms impair everyday problem-solving ability through cognitive abilities in late life. Am J Geriatr Psychiatry. 2011;19:142–150. doi: 10.1097/JGP.0b013e3181e89894.
    1. Sohlberg MM, Mateer CA. Cognitive rehabilitation: an integrative neuropsychological approach. New York: Guilford Press; 2001.
    1. McGurk SR, Meltzer HY. The role of cognition in vocational functioning in schizophrenia. Schizophr Res. 2000;45:175–184. doi: 10.1016/S0920-9964(99)00198-X.
    1. McGurk SR, Mueser KT. Cognitive functioning, symptoms, and work in supported employment: a review and heuristic model. Schizophr Res. 2004;70:147–173. doi: 10.1016/j.schres.2004.01.009.
    1. Tan BL. Profile of cognitive problems in schizophrenia and implications for vocational functioning. Aust Occup Ther J. 2009;56:220–228. doi: 10.1111/j.1440-1630.2008.00759.x.
    1. Liberman RP, Wallace CJ, Hassell J. Rehab rounds: Predicting readiness and responsiveness to skills training: the Micro-Module Learning Test. Psychiatr Serv. 2004;55:764–766. doi: 10.1176/appi.ps.55.7.764.
    1. Sergi MJ, Kern RS, Mintz J, Green MF. Learning potential and the prediction of work skill acquisition in schizophrenia. Schizophr Bull. 2005;31:67–72. doi: 10.1093/schbul/sbi007.
    1. Bryson G, Bell MD. Initial and final work performance in schizophrenia: cognitive and symptom predictors. J Nerv Ment Dis. 2003;191:87–92. doi: 10.1097/01.NMD.0000050937.06332.3C.
    1. McGurk SR, Mueser KT, Harvey PD, LaPuglia R, Marder J. Cognitive and symptom predictors of work outcomes for clients with schizophrenia in supported employment. Psychiatr Serv. 2003;54:1129–1135. doi: 10.1176/appi.ps.54.8.1129.
    1. Gilbert AM, Olino TM, Houck P, Fagiolini A, Kupfer DJ, Frank E. Self-reported cognitive problems predict employment trajectory in patients with bipolar I disorder. J Affect Disord. 2010;124:324–328. doi: 10.1016/j.jad.2009.11.012.
    1. Bonnín CM, Martínez-Arán A, Torrent C, Pacchiarotti I, Rosa AR, Franco C, et al. Clinical and neurocognitive predictors of functional outcome in bipolar euthymic patients: a long-term, follow-up study. J Affect Disord. 2010;121:156–160. doi: 10.1016/j.jad.2009.05.014.
    1. Burdick KE, Goldberg JF, Harrow M. Neurocognitive dysfunction and psychosocial outcome in patients with bipolar I disorder at 15-year follow-up. Acta Psychiatr Scand. 2010;122:499–506. doi: 10.1111/j.1600-0447.2010.01590.x.
    1. Tabarés-Seisdedos R, Balanzá-Martínez V, Sánchez-Moreno J, Martinez-Aran A, Salazar-Fraile J, Selva-Vera G, et al. Neurocognitive and clinical predictors of functional outcome in patients with schizophrenia and bipolar I disorder at one-year follow-up. J Affect Disord. 2008;109:286–299. doi: 10.1016/j.jad.2007.12.234.
    1. Gilbert E, Marwaha S. Predictors of employment in bipolar disorder: a systematic review. J Affect Disord. 2013;145:156–164. doi: 10.1016/j.jad.2012.07.009.
    1. Lee RS, Hermens DF, Redoblado-Hodge MA, Naismith SL, Porter MA, Kaur M, et al. Neuropsychological and socio-occupational functioning in young psychiatric outpatients: a longitudinal investigation. PLoS One. 2013;8:e58176. doi: 10.1371/journal.pone.0058176.
    1. Godard J, Baruch P, Grondin S, Lafleur MF. Psychosocial and neurocognitive functioning in unipolar and bipolar depression: a 12-month prospective study. Psychiatry Res. 2012;196:145–153. doi: 10.1016/j.psychres.2011.09.013.
    1. Naismith SL, Longley WA, Scott EM, Hickie IB. Disability in major depression related to self-rated and objectively-measured cognitive deficits: a preliminary study. BMC Psychiatry. 2007;7:32. doi: 10.1186/1471-244X-7-32.
    1. McIntyre RS, Cha DS, Soczynska JK, Woldeyohannes HO, Gallaugher LA, Kudlow P, et al. Cognitive deficits and functional outcomes in major depressive disorder: determinants, substrates, and treatment interventions. Depress Anxiety. 2013;30:515–527. doi: 10.1002/da.22063.
    1. Baune BT, Miller R, McAfoose J, Johnson M, Quirk F, Mitchell D. The role of cognitive impairment in general functioning in major depression. Psychiatry Res. 2010;176:183–189. doi: 10.1016/j.psychres.2008.12.001.
    1. Shimizu Y, Kitagawa N, Mitsui N, Fujii Y, Toyomaki A, Hashimoto N, et al. Neurocognitive impairments and quality of life in unemployed patients with remitted major depressive disorder. Psychiatry Res. 2013;210:913–918. doi: 10.1016/j.psychres.2013.08.030.
    1. Withall A, Harris LM, Cumming SR. The relationship between cognitive function and clinical and functional outcomes in major depressive disorder. Psychol Med. 2009;39:393–402. doi: 10.1017/S0033291708003620.
    1. Thomas AJ, Gallagher P, Robinson LJ, Porter RJ, Young AH, Ferrier IN, et al. A comparison of neurocognitive impairment in younger and older adults with major depression. Psychol Med. 2009;39:725–733. doi: 10.1017/S0033291708004042.
    1. Lee RS, Hermens DF, Porter MA, Redoblado-Hodge MA. A meta-analysis of cognitive deficits in first-episode Major Depressive Disorder. J Affect Disord. 2012;140:113–124. doi: 10.1016/j.jad.2011.10.023.
    1. Gorwood P, Corruble E, Falissard B, Goodwin GM. Toxic effects of depression on brain function: impairment of delayed recall and the cumulative length of depressive disorder in a large sample of depressed outpatients. Am J Psychiatry. 2008;165:731–739. doi: 10.1176/appi.ajp.2008.07040574.
    1. Gildengers AG, Butters MA, Chisholm D, Anderson SJ, Begley A, Holm M, et al. Cognition in older adults with bipolar disorder versus major depressive disorder. Bipolar Disord. 2012;14:198–205. doi: 10.1111/j.1399-5618.2012.00995.x.
    1. Herrmann LL, Le Masurier M, Ebmeier KP. White matter hyperintensities in late life depression: a systematic review. J Neurol Neurosurg Psychiatry. 2008;79:619–624. doi: 10.1136/jnnp.2007.124651.
    1. Kramer-Ginsberg E, Greenwald BS, Krishnan KR, Christiansen B, Hu J, Ashtari M, et al. Neuropsychological functioning and MRI signal hyperintensities in geriatric depression. Am J Psychiatry. 1999;156:438–444.
    1. Murata T, Kimura H, Omori M, Kado H, Kosaka H, Iidaka T, et al. MRI white matter hyperintensities, (1)H-MR spectroscopy and cognitive function in geriatric depression: a comparison of early- and late-onset cases. Int J Geriatr Psychiatry. 2001;16:1129–1135. doi: 10.1002/gps.501.
    1. Castaneda AE, Suvisaari J, Marttunen M, Perälä J, Saarni SI, Aalto-Setälä T, et al. Cognitive functioning in a population-based sample of young adults with anxiety disorders. Eur Psychiatry. 2011;26:346–353. doi: 10.1016/j.eurpsy.2009.11.006.
    1. Wekking EM, Bockting CL, Koeter MW, Schene AH. Cognitive functioning in euthymic recurrently depressed patients: relationship with future relapses and prior course of disease. J Affect Disord. 2012;141:300–307. doi: 10.1016/j.jad.2012.03.034.
    1. Herrmann LL, Goodwin GM, Ebmeier KP. The cognitive neuropsychology of depression in the elderly. Psychol Med. 2007;37:1693–1702. doi: 10.1017/S0033291707001134.
    1. Salloway S, Malloy P, Kohn R, Gillard E, Duffy J, Rogg J, et al. MRI and neuropsychological differences in early- and late-life-onset geriatric depression. Neurology. 1996;46:1567–1574. doi: 10.1212/WNL.46.6.1567.
    1. Baune BT, McAfoose J, Leach G, Quirk F, Mitchell D. Impact of psychiatric and medical comorbidity on cognitive function in depression. Psychiatry Clin Neurosci. 2009;63:392–400. doi: 10.1111/j.1440-1819.2009.01971.x.
    1. Kurtz MM, Gerraty RT. A meta-analytic investigation of neurocognitive deficits in bipolar illness: profile and effects of clinical state. Neuropsychology. 2009;23:551–562. doi: 10.1037/a0016277.
    1. Austin MP, Ross M, Murray C, O’Carroll RE, Ebmeier KP, Goodwin GM. Cognitive function in major depression. J Affect Disord. 1992;25:21–29. doi: 10.1016/0165-0327(92)90089-O.
    1. Cataldo MG, Nobile M, Lorusso ML, Battaglia M, Molteni M. Impulsivity in depressed children and adolescents: a comparison between behavioral and neuropsychological data. Psychiatry Res. 2005;136:123–133. doi: 10.1016/j.psychres.2004.12.012.
    1. Naismith SL, Hickie IB, Turner K, Little CL, Winter V, Ward PB, et al. Neuropsychological performance in patients with depression is associated with clinical, etiological and genetic risk factors. J Clin Exp Neuropsychol. 2003;25:866–877. doi: 10.1076/jcen.25.6.866.16472.
    1. Kyte ZA, Goodyer IM, Sahakian BJ. Selected executive skills in adolescents with recent first episode major depression. J Child Psychol Psychiatry. 2005;46:995–1005. doi: 10.1111/j.1469-7610.2004.00400.x.
    1. Degl’Innocenti A, Agren H, Bäckman L. Executive deficits in major depression. Acta Psychiatr Scand. 1998;97:182–188. doi: 10.1111/j.1600-0447.1998.tb09985.x.
    1. Grant MM, Thase ME, Sweeney JA. Cognitive disturbance in outpatient depressed younger adults: evidence of modest impairment. Biol Psychiatry. 2001;50:35–43. doi: 10.1016/S0006-3223(00)01072-6.
    1. Brébion G, Smith MJ, Widlocher D. Discrimination and response bias in memory: effects of depression severity and psychomotor retardation. Psychiatry Res. 1997;70:95–103. doi: 10.1016/S0165-1781(97)03098-9.
    1. Elliott R, Sahakian BJ, McKay AP, Herrod JJ, Robbins TW, Paykel ES. Neuropsychological impairments in unipolar depression: the influence of perceived failure on subsequent performance. Psychol Med. 1996;26:975–989. doi: 10.1017/S0033291700035303.
    1. McDermott LM, Ebmeier KP. A meta-analysis of depression severity and cognitive function. J Affect Disord. 2009;119:1–8. doi: 10.1016/j.jad.2009.04.022.
    1. Williams RA, Hagerty BM, Cimprich B, Therrien B, Bay E, Oe H. Changes in directed attention and short-term memory in depression. J Psychiatr Res. 2000;34:227–238. doi: 10.1016/S0022-3956(00)00012-1.
    1. Pedersen A, Küppers K, Behnken A, Kroker K, Schöning S, Baune BT, et al. Implicit and explicit procedural learning in patients recently remitted from severe major depression. Psychiatry Res. 2009;169:1–6. doi: 10.1016/j.psychres.2008.06.001.
    1. Pier MP, Hulstijn W, Sabbe BG. Differential patterns of psychomotor functioning in unmedicated melancholic and nonmelancholic depressed patients. J Psychiatr Res. 2004;38:425–435. doi: 10.1016/j.jpsychires.2003.11.008.
    1. Michopoulos I, Zervas IM, Papakosta VM, Tsaltas E, Papageorgiou C, Manessi T, et al. Set shifting deficits in melancholic vs. non-melancholic depression: preliminary findings. Eur Psychiatry. 2006;21:361–363. doi: 10.1016/j.eurpsy.2006.03.008.
    1. Austin MP, Mitchell P, Wilhelm K, Parker G, Hickie I, Brodaty H, et al. Cognitive function in depression: a distinct pattern of frontal impairment in melancholia? Psychol Med. 1999;29:73–85. doi: 10.1017/S0033291798007788.
    1. Withall A, Harris LM, Cumming SR. A longitudinal study of cognitive function in melancholic and non-melancholic subtypes of major depressive disorder. J Affect Disord. 2010;123:150–157. doi: 10.1016/j.jad.2009.07.012.
    1. Fleming SK, Blasey C, Schatzberg AF. Neuropsychological correlates of psychotic features in major depressive disorders: a review and meta-analysis. J Psychiatr Res. 2004;38:27–35. doi: 10.1016/S0022-3956(03)00100-6.
    1. Bora E, Yücel M, Pantelis C. Cognitive impairment in affective psychoses: a meta-analysis. Schizophr Bull. 2010;36:112–125. doi: 10.1093/schbul/sbp093.
    1. Reichenberg A, Harvey PD, Bowie CR, Mojtabai R, Rabinowitz J, Heaton RK, et al. Neuropsychological function and dysfunction in schizophrenia and psychotic affective disorders. Schizophr Bull. 2009;35:1022–1029. doi: 10.1093/schbul/sbn044.
    1. Zaninotto L, Guglielmo R, Calati R, Ioime L, Camardese G, Janiri L, et al. Cognitive markers of psychotic unipolar depression: a meta-analytic study. J Affect Disord. 2015;174:580–588. doi: 10.1016/j.jad.2014.11.027.
    1. Hasselbalch BJ, Knorr U, Hasselbalch SG, Gade A, Kessing LV. The cumulative load of depressive illness is associated with cognitive function in the remitted state of unipolar depressive disorder. Eur Psychiatry. 2013;28:349–355. doi: 10.1016/j.eurpsy.2012.03.004.
    1. Iosifescu DV, Renshaw PF, Dougherty DD, Lyoo IK, Lee HK, Fraguas R, et al. Major depressive disorder with anger attacks and subcortical MRI white matter hyperintensities. J Nerv Ment Dis. 2007;195:175–178. doi: 10.1097/01.nmd.0000253820.69362.87.
    1. Murrough JW, Iacoviello B, Neumeister A, Charney DS, Iosifescu DV. Cognitive dysfunction in depression: neurocircuitry and new therapeutic strategies. Neurobiol Learn Mem. 2011;96:553–563. doi: 10.1016/j.nlm.2011.06.006.
    1. Awad N, Gagnon M, Messier C. The relationship between impaired glucose tolerance, type 2 diabetes, and cognitive function. J Clin Exp Neuropsychol. 2004;26:1044–1080. doi: 10.1080/13803390490514875.
    1. Cukierman-Yaffe T, Gerstein HC, Williamson JD, Lazar RM, Lovato L, Miller ME, et al. Action to Control Cardiovascular Risk in Diabetes-Memory in Diabetes (ACCORD-MIND) Investigators. Relationship between baseline glycemic control and cognitive function in individuals with type 2 diabetes and other cardiovascular risk factors: the action to control cardiovascular risk in diabetes-memory in diabetes (ACCORD-MIND) trial. Diabetes Care. 2009;32:221–226. doi: 10.2337/dc08-1153.
    1. McIntyre RS, Kenna HA, Nguyen HT, Law CW, Sultan F, Woldeyohannes HO, et al. Brain volume abnormalities and neurocognitive deficits in diabetes mellitus: points of path-ophysiological commonality with mood disorders? Adv Ther. 2010;27:63–80. doi: 10.1007/s12325-010-0011-z.
    1. Román GC, Sachdev P, Royall DR, Bullock RA, Orgogozo JM, López-Pousa S, et al. Vascular cognitive disorder: a new diagnostic category updating vascular cognitive impairment and vascular dementia. J Neurol Sci. 2004;226:81–87. doi: 10.1016/j.jns.2004.09.016.
    1. Sachdev PS, Brodaty H, Valenzuela MJ, Lorentz L, Looi JC, Wen W, et al. The neuropsychological profile of vascular cognitive impairment in stroke and TIA patients. Neurology. 2004;62:912–919. doi: 10.1212/01.WNL.0000115108.65264.4B.
    1. McClintock SM, Husain MM, Greer TL, Cullum CM. Association between depression severity and neurocognitive function in major depressive disorder: a review and synthesis. Neuropsychology. 2010;24:9–34. doi: 10.1037/a0017336.
    1. Kizilbash AH, Vanderploeg RD, Curtiss G. The effects of depression and anxiety on memory performance. Arch Clin Neuropsychol. 2002;17:57–67. doi: 10.1093/arclin/17.1.57.
    1. DeLuca AK, Lenze EJ, Mulsant BH, Butters MA, Karp JF, Dew MA, et al. Comorbid anxiety disorder in late life depression: association with memory decline over four years. Int J Geriatr Psychiatry. 2005;20:848–854. doi: 10.1002/gps.1366.
    1. Basso MR, Lowery N, Ghormley C, Combs D, Purdie R, Neel J, et al. Comorbid anxiety corresponds with neuropsychological dysfunction in unipolar depression. Cogn Neuropsychiatry. 2007;12:437–456. doi: 10.1080/13546800701446517.
    1. McKinnon MC, Yucel K, Nazarov A, MacQueen GM. A meta-analysis examining clinical predictors of hippocampal volume in patients with major depressive disorder. J Psychiatry Neurosci. 2009;34:41–54.
    1. Sheline YI, Sanghavi M, Mintun MA, Gado MH. Depression duration but not age predicts hippocampal volume loss in medically healthy women with recurrent major depression. J Neurosci. 1999;19:5034–5043.
    1. Kessing LV. Cognitive impairment in the euthymic phase of affective disorder. Psychol Med. 1998;28:1027–1038. doi: 10.1017/S0033291798006862.
    1. van Gorp WG, Altshuler L, Theberge DC, Wilkins J, Dixon W. Cognitive impairment in euthymic bipolar patients with and without prior alcohol dependence. A preliminary study. Arch Gen Psychiatry. 1998;55:41–46. doi: 10.1001/archpsyc.55.1.41.
    1. Bhardwaj A, Wilkinson P, Srivastava C, Sharma M. Cognitive deficits in euthymic patients with recurrent depression. J Nerv Ment Dis. 2010;198:513–515. doi: 10.1097/NMD.0b013e3181e4c5ba.
    1. Nieuwenhuijsen K, Faber B, Verbeek JH, Neumeyer-Gromen A, Hees HL, Verhoeven AC, et al. Interventions to improve return to work in depressed people. Cochrane Database Syst Rev. 2014;12:CD006237.
    1. Hees HL, de Vries G, Koeter MW, Schene AH. Adjuvant occupational therapy improves long-term depression recovery and return-to-work in good health in sick-listed employees with major depression: results of a randomised controlled trial. Occup Environ Med. 2013;70:252–260. doi: 10.1136/oemed-2012-100789.
    1. Lerner D, Adler D, Hermann RC, Chang H, Ludman EJ, Greenhill A, et al. Impact of a work-focused intervention on the productivity and symptoms of employees with depression. J Occup Environ Med. 2012;54:128–135. doi: 10.1097/JOM.0b013e31824409d8.
    1. Noordik E, van der Klink JJ, Geskus RB, de Boer MR, van Dijk FJ, Nieuwenhuijsen K. Effectiveness of an exposure-based return-to-work program for workers on sick leave due to common mental disorders: a cluster-randomized controlled trial. Scand J Work Environ Health. 2013;39:144–154. doi: 10.5271/sjweh.3320.
    1. Hollinghurst S, Peters TJ, Kaur S, Wiles N, Lewis G, Kessler D. Cost-effectiveness of therapist-delivered online cognitive-behavioural therapy for depression: randomised controlled trial. Br J Psychiatry. 2010;197:297–304. doi: 10.1192/bjp.bp.109.073080.
    1. McCrone P, Knapp M, Proudfoot J, Ryden C, Cavanagh K, Shapiro DA, et al. Cost-effectiveness of computerised cognitive-behavioural therapy for anxiety and depression in primary care: randomised controlled trial. Br J Psychiatry. 2004;185:55–62. doi: 10.1192/bjp.185.1.55.
    1. Bee PE, Bower P, Gilbody S, Lovell K. Improving health and productivity of depressed workers: a pilot randomized controlled trial of telephone cognitive behavioral therapy delivery in workplace settings. Gen Hosp Psychiatry. 2010;32:337–340. doi: 10.1016/j.genhosppsych.2010.01.006.
    1. Elgamal S, McKinnon MC, Ramakrishnan K, Joffe RT, MacQueen G. Successful computer-assisted cognitive remediation therapy in patients with unipolar depression: a proof of principle study. Psychol Med. 2007;37:1229–1238. doi: 10.1017/S0033291707001110.
    1. Siegle GJ, Ghinassi F, Thase ME. Neurobehavioral therapies in the 21st century: Summary of an emerging field and an extended example of cognitive control training for depression. Cognit Ther Res. 2007;31:235–262. doi: 10.1007/s10608-006-9118-6.
    1. Papageorgiou C, Wells A. Treatment of recurrent major depression with attention training. Cognit Behav Pract. 2000;7:407–413. doi: 10.1016/S1077-7229(00)80051-6.
    1. Lee RS, Redoblado-Hodge MA, Naismith SL, Hermens DF, Porter MA, Hickie IB. Cognitive remediation improves memory and psychosocial functioning in first-episode psychiatric out-patients. Psychol Med. 2013;43:1161–1173. doi: 10.1017/S0033291712002127.
    1. Bowie CR, Gupta M, Holshausen K, Jokic R, Best M, Milev R. Cognitive remediation for treatment-resistant depression: effects on cognition and functioning and the role of online homework. J Nerv Ment Dis. 2013;201:680–685. doi: 10.1097/NMD.0b013e31829c5030.
    1. Wade AG, Fernández JL, François C, Hansen K, Danchenko N, Despiegel N. Escitalopram and duloxetine in major depressive disorder: a pharmacoeconomic comparison using UK cost data. Pharmacoeconomics. 2008;26:969–981. doi: 10.2165/00019053-200826110-00008.
    1. Romeo R, Patel A, Knapp M, Thomas C. The cost-effectiveness of mirtazapine versus paroxetine in treating people with depression in primary care. Int Clin Psychopharmacol. 2004;19:125–134. doi: 10.1097/00004850-200405000-00002.
    1. Fernandez JL, Montgomery S, Francois C. Evaluation of the cost effectiveness of escitalopram versus venlafaxine XR in major depressive disorder. Pharmacoeconomics. 2005;23:155–167. doi: 10.2165/00019053-200523020-00007.
    1. Naismith SL, Redoblado-Hodge MA, Lewis SJ, Scott EM, Hickie IB. Cognitive training in affective disorders improves memory: a preliminary study using the NEAR approach. J Affect Disord. 2010;121:258–262. doi: 10.1016/j.jad.2009.06.028.
    1. Naismith SL, Diamond K, Carter PE, Norrie LM, Redoblado-Hodge MA, Lewis SJ, et al. Enhancing memory in late-life depression: the effects of a combined psychoeducation and cognitive training program. Am J Geriatr Psychiatry. 2011;19:240–248. doi: 10.1097/JGP.0b013e3181dba587.

Source: PubMed

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