85mg

SHORT-TERM MEMORY (STM)

WORKING MEMORY (WM)

(LTM)

Young adults >> Age group: 18-25

Medium

Low Mediu

mHigh

Placebo

Low

Low

Medium

High

Placebo

High

Low

Medium

High

Placebo

• 3 population groups• 4 treatments

• 85mg• 170mg• 255mg• 0mg

Treatment Period

6 months

Follow up Study

One year

Longitudinal study

Recall Tests – series and delayed – STM and WM

Memory Span Test – simple and complex – STM and WM

Digit Span Test – Forward and Backward – STM and WM

Buschke-Fuld Selective Reminding Test – STM and LTM

Unrelated Words

Semantic Memory Test – LTM

Significance

• Novel method to test STM, WM, LTM performance due to the effects of dose dependent caffeine treatments

• Specific caffeine dosage for enhancement in memory tasks in different caffeine consumers