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The Impact of Food Advertisements on Brain Response and Eating Behavior in Children

11. januar 2021 opdateret af: Kathleen Loralee Keller, Penn State University
The purpose of this project is to examine the impact that television food advertisements have on brain responses and eating behavior in children. Food advertisements enhance children's liking and intake of foods that tend to be high in energy content and low in nutritional value. Although several studies have measured the differences in children's food intake after watching advertisements, none have shown the brain mechanisms associated with this change in behavior. In order to clarify the relationship between food advertising and eating behavior, the investigators have assembled a team with expertise in functional imaging, eating behaviors, and clinical pediatric research. First, the investigators will observe the differences in children's eating behaviors after being exposed to food commercials or non-food commercials. Second, the investigators will measure the difference in child brain response to high and low energy foods after being exposed to food commercials or non-food commercials. These data will allow us to identify which areas of the brain are specifically affected by exposure to food commercials and correlate activity in these areas with children's measured food intake in the laboratory. Children ages 7-9 will participate in this 5-visit study which will be completed over the course of 12 months. Understanding how food advertisements impact children's brain responses and subsequent eating behaviors will have implications for understanding why some children respond differently to these cues than others. These outcomes may also inform the development of more effective programs and policies to prevent childhood obesity.

Studieoversigt

Status

Afsluttet

Betingelser

Undersøgelsestype

Observationel

Tilmelding (Faktiske)

88

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

    • Pennsylvania
      • University Park, Pennsylvania, Forenede Stater, 16802
        • The Pennsylvania State University

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

7 år til 9 år (Barn)

Tager imod sunde frivillige

Ja

Køn, der er berettiget til at studere

Alle

Prøveudtagningsmetode

Sandsynlighedsprøve

Studiebefolkning

Children ages 7-9 years old

Beskrivelse

Inclusion Criteria:

  • Right-handed
  • English as native language
  • Reading at/above grade level
  • Not Claustrophobic
  • Generally Healthy

Exclusion Criteria:

  • Left-handedness
  • Metal in or on body that cannot be removed
  • Claustrophobic
  • Medication usage that may alter brain activity or blood flow
  • Medical disorder that may impact comfort or safety in MRI scanner
  • Food allergies

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Functional magnetic resonance imaging (fMRI), blood oxygen level dependent (BOLD) response to high and low energy foods following food commercial priming
Tidsramme: Collected at fMRI scan at week 4 or 5 (randomized)
Whole-brain response to food images varied by 2 levels of energy viewed in 2 conditions
Collected at fMRI scan at week 4 or 5 (randomized)
Functional magnetic resonance imaging, blood oxygen level dependent (BOLD) response to high and low energy foods following toy commercial priming
Tidsramme: Collected at fMRI scan at week 4 or 5 (randomized)
Energy intake of foods consumed ad libitum at each laboratory test-meal in 3 conditions
Collected at fMRI scan at week 4 or 5 (randomized)
Baseline Energy Intake
Tidsramme: Collected at week 1 of the study
Energy intake of foods consumed ad libitum at laboratory test-meal with no priming stimulus
Collected at week 1 of the study
Energy Intake following food commercials
Tidsramme: Collected at week 2 or 3 (randomized) of the study
Energy intake of foods consumed ad libitum at laboratory test-meal following food commercials priming
Collected at week 2 or 3 (randomized) of the study
Energy Intake following toy commercials
Tidsramme: Collected at week 2 or 3 (randomized) of the study
Energy intake of foods consumed ad libitum at laboratory test-meal following toy priming stimulus
Collected at week 2 or 3 (randomized) of the study

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Region of Interest (ROI)-response to food type by condition
Tidsramme: Collected at fMRI scans at weeks 4 and 5 of study
Response in selected regions of interest to images varied by 2 levels of energy viewed in 2 conditions
Collected at fMRI scans at weeks 4 and 5 of study

Andre resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Højde
Tidsramme: Afhentes i uge 1
Højde i cm målt ved stadiometer
Afhentes i uge 1
Appetitlige træk
Tidsramme: Afhentes i uge 1
Forældrerapporteret spørgeskema over sædvanlige spisestile hos børn
Afhentes i uge 1
Television and Internet use and exposure
Tidsramme: Collected at week 1
Parent and child reported questionnaires of television and internet use and exposure to shows and commercials
Collected at week 1
BMI-z score
Tidsramme: Collected at week 1
BMI-z score calculated using age, sex, weight, and height
Collected at week 1
Liking and Wanting of Foods
Tidsramme: Collected at week 1
Ratings to how much child likes and wants specific foods used in the test meals on child friendly computerized rating scale
Collected at week 1
Pubertal Development
Tidsramme: Collected at week 1
Parent reported pubertal development through questionnaire
Collected at week 1
Parental feeding strategies
Tidsramme: Collected at week 1
Parent-reported measures of feeding practices
Collected at week 1
Weight
Tidsramme: Collected at week 1
Weight in kg measured by standard digital scale
Collected at week 1
Body Fat Percentage
Tidsramme: Collected at week 1
Body Fat Percentage assessed by Bio Electrical Impedance Scale
Collected at week 1
BMI
Tidsramme: Collected at week 1
Calculated from height and weight (kg/m^2)
Collected at week 1

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

1. marts 2016

Primær færdiggørelse (Faktiske)

1. maj 2017

Studieafslutning (Faktiske)

1. maj 2017

Datoer for studieregistrering

Først indsendt

24. maj 2016

Først indsendt, der opfyldte QC-kriterier

26. maj 2016

Først opslået (Skøn)

2. juni 2016

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

13. januar 2021

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

11. januar 2021

Sidst verificeret

1. januar 2021

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • CommercialEating01

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .

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