L-DOPA and Improved Spatial Fluid Intelligence

Doses used in studies

Time to effect

Median: 4 weeks · IQR 4 weeks–4 weeks · Range 4 weeks–4 weeks — Reported in 1 of 1 study

Safety in these studies

adverse eventsReported10 (31%) and 7 (23%) participants in the active and control groups
Adverse events occurred for 10 (31%) and 7 (23%) participants in the active and control groups, correspondingly.
from: Effects of daily L-dopa administration on learning and brain structure in older adults und

1 of 1 paper

Effects of daily L-dopa administration on learning and brain structure in older adults undergoing cognitive training: a randomised clinical trial.

Compared to the placebo group, subjects receiving L-dopa improved less in spatial intelligence (-0.267 SDs; 95%CI [-0.498, -0.036]; p=0.024).