Caffein Consumption and Response Inhibition

Uppsala University

Status

Completed

Conditions

Eating Behavior

Obesity

Treatments

Drug: Caffeine

Drug: Placebo

Study type

Interventional

Funder types

Other

Identifiers

NCT01815203

PH2013a

Details and patient eligibility

About

With the abundance of energy-dense foods that are designed for ease of consumption in the current environment, it is of importance to better understand the factors that may undermine the control of energy intake at healthy levels.

One of the factors that is potentially important in response inhibition is caffeine.

The aim is to assess the direct effects of caffeine on response inhibition, using a No Go/Go-task. We will also assess whether the presentation of food cues, i.e. as words or as pictures, modulate response inhibition different in restrained vs. non-restrained eaters.

Full description

In a blinded, randomized cross-over design, participants will receive either a capsule with caffeine or placebo at two separate occasions whereupon study tasks will be performed.

Enrollment

21 patients

Sex

Male

Ages

18 to 35 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

Only males
18 ≤ 35 years
Healthy (self rated)
Used to drink caffeine
Used to eat breakfast regularly (≥ 5 times a week).
Non-smokers

Exclusion criteria

BMI outside the range of 18,5 ≤ 25
hypersensitivity for the ingredients of the foods under study
being a vegan or vegetarian. Participants reported not using products that are artificially sweetened, nor sugar in coffee and/or tea
Presence of any chronically disease and/or treatment with medication