Cognitive Function
Conditions
Brief summary
An acute, randomized, placebo controlled, double blinded crossover study in health subjects. Participants will complete 4 intervention arms in random order consisting of a placebo control beverage, a high dose phenolic beverage, a high dose phenolic beverage combined with a fruit extract, and a low does phenolic beverage. The primary objective of the study is to assess the effects of the phenolic compounds, at two different levels, alone and in combination with a fruit extract, on mood and cognitive performance during extended periods of cognitively demanding task performance.
Interventions
OTHERPhenolic Beverage
Sponsors
Northumbria University
PepsiCo Global R&D
Study design
Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
BASIC_SCIENCE
Masking
DOUBLE (Subject, Investigator)
Eligibility
Sex/Gender
ALL
Age
18 Years to 49 Years
Healthy volunteers
Yes
Inclusion criteria
* Aged 18 to 49 years * Self-report of good health * Are not excluded on the basis of the following
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Change in mental fatigue | Pre, 1, 3, and 6 hours post-beverage consumption |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Changes in mood and cognitive function | Pre, 1, 3, and 6 hours post-beverage consumption | During each assessment mood and psychological state will be assessed before and after performance of an observed multi-tasking stressor via completion of the 'State' subscale of the State-Trait Anxiety Inventory and computerised versions of the Bond-Lader visual analogue mood scales and separate visual analogue scales (VAS) measuring subjective stress, relaxation and calmness. |
Countries
United Kingdom
Outcome results
None listed