Studies related to Cognition and Kava

Enhanced Cognitive Performance And Cheerful Mood By Standardized Extracts Of Piper Methysticum (Kava-kava)

Effect Increase
Trial Design Double blind
Trial Length n/a
Number of Subjects 20
Sex n/a
Notes for this study:
In healthy persons who never used Kava, a single dose of 300mg containing 30% kavapyrones (90mg) taken an hour before testing was able to increase cheerfulness (as assessed by CH rating on the SCTI rating scale) and was slightly more effective in those with higher baseline cheerfulness.

Reductions in reaction time (Steinberg item recognition rask) from 2092.5ms to 1265.29ms and enhanced performance on Sperling partial report test were both seen with significance.

A trend towards reduction of seriousness was noted, but not statistically significant.