Acute effects of combined Bacopa, American ginseng and whole coffee fruit on working memory and cerebral haemodynamic response of the prefrontal cortex: a double-blind, placebo-controlled study.
- 2019-11-18
- RCT
- Nutritional neuroscience 24(11)
- Talitha Best
- Chantelle Clarke
- Nathan Nuzum
- Wei-Peng Teo
- PubMed: 31736428
- DOI: 10.1080/1028415x.2019.1690288
- High evidence
- Adults
Improved performance was associated with a reduction of PFC activation (p < .001) related to effortful mental demand, reflecting increased neural efficiency concomitant with improved cognitive performance.
- Effect
- Beneficial
- Effect size
- Small
- Significant
- Yes