Table 2.
Behavioral measures obtained during and post scan across four scanning sessions
Behavioral measure | Placebo 1 | Placebo 2 | Lorazepam | Scopolamine |
---|---|---|---|---|
Reaction time for gender classification, sec | 0.946 (0.065) | 0.996 (0.065) | 1.247§ (0.115) | 1.081 (0.064) |
Face recognition, % correct | 84.2 (2.6) | 79.6 (3.4) | 72.4 (4.5) | 71.0* (4.3) |
Free recall of name, % correct | 26.5 (3.3) | 25.6 (3.6) | 14.9† (3.5) | 16.2* (2.4) |
Forced choice name recognition, % correct | 88.1 (2.6) | 89.4 (3.6) | 71.6§ (5.5) | 80.8 (4.4) |
Behavioral data during scanning (reaction time) and post-scan memory measures are shown as means with SEMs in parentheses. Significance values are based on a linear mixed-effects model, and are corrected for multiple comparisons:
, P < 0.05;
, P < 0.01;
, P < 0.0001.