Emotion Study -- A Neurofeedback Approach
21 januari 2020 bijgewerkt door: University of Florida
Emotion Study -- Improving Neural Dysregulation in Advanced Age: A Neurofeedback Approach
This study will determine whether brain activity can be modified and improves performance on a task by showing participants live 'video feed' of their brains on advanced imaging technology.
The study is particularly interested in brain regions that have been shown to be relevant for emotions, specifically the anterior insula and the medial prefrontal cortex.
Advanced technology will map the brain using magnetic pulses with a real-time functional Magnetic Resonance Imaging (rt-fMRI) machine.
Studie Overzicht
Toestand
Voltooid
Conditie
Gedetailleerde beschrijving
Overview: All participants of both age groups will be randomly divided (like tossing a coin) into two groups:
- One group will have training sessions using a special feedback technique to learn to actively increase blood flow in the front of the brain, while thinking of and viewing emotional faces, scenes, and text
- The other group will have training sessions using a special feedback technique to learn to actively increase blood flow in the back of the brain while thinking of and viewing emotional faces, scenes, and text
Further, each of these two groups will be divided into two sub-groups that are different with respect to the training procedure that is used:
* Use of a 3.0 Tesla, 32-channel Seimens whole-body human MR scanner (fMRI) during training, that has not been associated with any known side effects or safety risks
Number of Study Visits:
This study has the following parts: A pre-training visit, six training visits, and a post-training visit.
With a few exceptions as explained below, the procedures during pre-training, training, and post-training visits are identical.
- At the beginning of the first visit, the investigator will tell the participant about the study and what is involved and will ask them to sign a consent form. The participant may ask as many questions as they would like before deciding about study participation.
- For each of the visits, the investigator will review questions with the participant about their health to ensure their eligibility to undergo fMRI on the day of testing.
- Also for each visit, the investigator will ask the participant to respond to a short questionnaire related to their current mood.
- In the pre-training and the post-training visits only, the investigator will ask the participant to answer questions about their feelings, emotions, and thoughts.
- For each of the participant's visits, they will spend 50-60 minutes either in the MRI scanner, while viewing pictures and text on a screen. During this time, pictures of the participant's brain at work and at rest will be acquired. In the training visits only, the participant will learn to increase blood flow in certain brain regions with the help of information presented to them on the screen.
- For each of the participant's visits, they will be asked to respond to a short questionnaire related to their current mood.
- In the pre-training/post-training visits only, the investigator will ask the participant to answer questions about their feelings, emotions, and thoughts as well as their personality. The participant will also perform brief tests related to the thinking process.
- At the end of each visit, the participant will complete a questionnaire about how they approached the study tasks and whether they experienced any discomfort in the MRI scanner or while wearing the fNIRS system.
- Upon study completion, the investigator will tell the participant about the general goals of the study and answer any questions that they may have.
The procedure can be stopped at any time.
The study will conclude with debriefing and reimbursement.
Studietype
Ingrijpend
Inschrijving (Werkelijk)
19
Fase
- Niet toepasbaar
Contacten en locaties
In dit gedeelte vindt u de contactgegevens van degenen die het onderzoek uitvoeren en informatie over waar dit onderzoek wordt uitgevoerd.
Studie Locaties
-
-
Florida
-
Gainesville, Florida, Verenigde Staten, 32611-2250
- University of Florida
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-
Deelname Criteria
Onderzoekers zoeken naar mensen die aan een bepaalde beschrijving voldoen, de zogenaamde geschiktheidscriteria. Enkele voorbeelden van deze criteria zijn iemands algemene gezondheidstoestand of eerdere behandelingen.
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
18 jaar tot 90 jaar (Volwassen, Oudere volwassene)
Accepteert gezonde vrijwilligers
Ja
Geslachten die in aanmerking komen voor studie
Allemaal
Beschrijving
Inclusion Criteria:
- Between the ages of 18-30 years or 63-90 years
- Right-handed
- Native English speaker
Exclusion Criteria:
- Pregnant or possibly pregnant
- Claustrophobia
- Large pieces of metal in the body, particularly in the face and neck.
- Piercings or metal implants that cannot be removed from the body
- Surgery on the brain or any prior serious brain damage or disease
- Dementia or severe cognitive disorders
Studie plan
Dit gedeelte bevat details van het studieplan, inclusief hoe de studie is opgezet en wat de studie meet.
Hoe is de studie opgezet?
Ontwerpdetails
- Primair doel: Fundamentele wetenschap
- Toewijzing: Gerandomiseerd
- Interventioneel model: Parallelle opdracht
- Masker: Geen (open label)
Wapens en interventies
Deelnemersgroep / Arm |
Interventie / Behandeling |
|---|---|
|
Actieve vergelijker: Anterior insula cortex activation
Participants will receive training sessions using a special feedback technique to learn to actively increase blood flow in the front of the brain, while thinking of and viewing emotional faces, scenes, and text.
|
training sessions using a special feedback technique to learn to actively increase blood flow in the front of the brain
|
|
Actieve vergelijker: Primary auditory cortex activation
Participants will have training sessions using a special feedback technique to learn to actively increase blood flow in the back of the brain while thinking of and viewing emotional faces, scenes, and text.
|
training sessions using a special feedback technique to learn to actively increase blood flow in the back of the brain
|
Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
|
Increased activation of anterior insula from pre-training to post-training
Tijdsspanne: Pre-training session (baseline visit); post-training session (approximately one week later)
|
Both young and older participants can be trained in up-regulation of anterior insula activity, by means of contingent neurofeedback (rt-fMRI), reflecting continued plasticity of brain regions associated with affective processing.
|
Pre-training session (baseline visit); post-training session (approximately one week later)
|
Secundaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
|
Gained volitional control over activity in anterior insula improves emotion perception from pre-training to post-training
Tijdsspanne: Pre-training (baseline visit); post-training visit (approximately one week later)
|
Participants in the experimental group compared to the control group will benefit more from neurofeedback, in that they will show relatively greater improvement in emotion perception after the rt-fMRI training, reflecting a potential for improvement of neural dysregulation related to affective processing.
|
Pre-training (baseline visit); post-training visit (approximately one week later)
|
Medewerkers en onderzoekers
Hier vindt u mensen en organisaties die betrokken zijn bij dit onderzoek.
Sponsor
Onderzoekers
- Hoofdonderzoeker: Natalie Ebner, PhD, University of Florida, Department of Psychology
Publicaties en nuttige links
De persoon die verantwoordelijk is voor het invoeren van informatie over het onderzoek stelt deze publicaties vrijwillig ter beschikking. Dit kan gaan over alles wat met het onderzoek te maken heeft.
Studie record data
Deze datums volgen de voortgang van het onderzoeksdossier en de samenvatting van de ingediende resultaten bij ClinicalTrials.gov. Studieverslagen en gerapporteerde resultaten worden beoordeeld door de National Library of Medicine (NLM) om er zeker van te zijn dat ze voldoen aan specifieke kwaliteitscontrolenormen voordat ze op de openbare website worden geplaatst.
Bestudeer belangrijke data
Studie start
1 oktober 2014
Primaire voltooiing (Werkelijk)
8 januari 2020
Studie voltooiing (Werkelijk)
8 januari 2020
Studieregistratiedata
Eerst ingediend
10 juli 2014
Eerst ingediend dat voldeed aan de QC-criteria
17 juli 2014
Eerst geplaatst (Schatting)
18 juli 2014
Updates van studierecords
Laatste update geplaatst (Werkelijk)
22 januari 2020
Laatste update ingediend die voldeed aan QC-criteria
21 januari 2020
Laatst geverifieerd
1 januari 2020
Meer informatie
Termen gerelateerd aan deze studie
Trefwoorden
Andere studie-ID-nummers
- IRB201300814 closed
Informatie over medicijnen en apparaten, studiedocumenten
Bestudeert een door de Amerikaanse FDA gereguleerd geneesmiddel
Nee
Bestudeert een door de Amerikaanse FDA gereguleerd apparaatproduct
Nee
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