2.3. Cognitive and Mood Assessment
fatigue, alertness
The cognitive function tests were administered to participants using the Computerised Mental Performance Assessment System (COMPASS, Northumbria University, Newcastle upon Tyne, UK). COMPASS allows for bespoke task batteries to be designed as needed, with randomised parallel versions of the tasks being administered at each of the assessments for each participant.The cognitive assessment administered to participants was primarily comprised of four repetitions of the Cognitive Demand Battery (CDB), a ten-minute battery of three tasks plus two visual analogue scale (VAS) ratings of alertness and mental fatigue. The CDB consists of serial subtractions of both 3 s and 7 s, along with a sustained attention task (rapid visual information processing (RVIP)); full descriptors of these tasks can be found within the As previous research involving extracts containing chlorogenic acid has found them to modulate episodic memory [Mood and psychological state was assessed with Bond–Lader visual analogue scales [