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This study determined effects of a cognitive distraction on amount, preference, and memory of food consumed and perceptions of fullness, hunger, and enjoyment of food in a healthy young-adult population. A randomized controlled crossover study of 119 healthy adults, assigned to begin in either the distracted or control condition, was conducted.
Environmental distractions have been shown to affect eating patterns. Influences of food environments on consumption patterns and not simply food choices are becoming increasingly clear for their contributions to energy intake. Of particular interest is the presence of distraction. It has been postulated that when distracted, individuals are inclined to consumer more than when not distracted. However, how distraction and memory impact subsequent food choice and preference is less well known. A Rapid Visual Information Processing (RVIP) task was applied to distract individuals while eating; food intake and food behaviors were measured after RVIP distraction and compared to food intake and food behaviors without distraction in the same individuals.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Distraction | Experimental | Distraction during eating using the Rapid Visual Information Processing task as the distraction |
|
| Control | Placebo Comparator | No distraction during eating |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Rapid Visual Information Processing task | Behavioral | A series of numbers appeared on a computer screen at a rate of one per minute. Each participant was required to identify any series of three consecutive odd or even numbers by hitting the space bar on the keyboard. The task lasted 15 minutes and included a 1-minute practice session before food being served. Participants were instructed to eat at will while completing the computer task. |
| Measure | Description | Time Frame |
|---|---|---|
| Food intake | Consumption of food by number of food items eaten | Up to 14 days |
| Measure | Description | Time Frame |
|---|---|---|
| Snack intake | Consumption of snack choices by number of food items eaten | Up to 14 days |
| Memory of food intake | Recording of food that was eaten during the condition period by number of food items eaten |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Shelly Nickols-Richardson, PhD | University of Illinois at Urbana-Champaign | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of Illinois at Urbana-Champaign | Urbana | Illinois | 61801 | United States |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 32060552 | Derived | Liguori CA, Nikolaus CJ, Nickols-Richardson SM. Cognitive Distraction at Mealtime Decreases Amount Consumed in Healthy Young Adults: A Randomized Crossover Exploratory Study. J Nutr. 2020 May 1;150(5):1324-1329. doi: 10.1093/jn/nxaa022. |
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De-identified data will be shared if required by journal requirements and/or as requested by other researchers
Immediately until after publication of study
Contact with the primary investigator using criteria of co-publishing, collaborating on same topic, or using data as preliminary findings for further studies; primary investigator will review requests
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| ID | Term |
|---|---|
| D009765 | Obesity |
| D001835 | Body Weight |
| D005247 | Feeding Behavior |
| ID | Term |
|---|---|
| D050177 | Overweight |
| D044343 | Overnutrition |
| D009748 | Nutrition Disorders |
| D009750 | Nutritional and Metabolic Diseases |
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Randomized controlled crossover study where participants were assigned to begin in the distracted or control condition. One week later, participants completed the opposite condition.
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|
| None or Control condition | Behavioral | Participant were instructed to eat at will during a 15-minute duration. |
|
| Up to 14 days |
| Fullness | How full do you feel right now? by 100mm visual analog scale; 0=not at all to 100=very much | Up to 14 days |
| Hunger | How hungry do you feel right now? by 100mm visual analog scale; 0=not at all to 100=very much | Up to 14 days |
| Enjoyment | How much did you enjoy the meal provided? by 100mm visual analog scale; 0=not at all to 100=very much | Up to 14 days |
| D012816 |
| Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D001522 | Behavior, Animal |
| D001519 | Behavior |