Table 1

Mean (±SEM) baseline locomotor activity, locomotor activity during shock delivery, and omissions in the risky decision making task

Locomotor activity
(locomotor units/ITI)
Shock reactivity
(locomotor units/shock)
Omissions
Young9.68 (2.04)2.02 (0.27)1.50 (0.67)*
Aged6.07 (1.25)1.71 (0.23)7.74 (2.56)*
  • ITI, Intertrial interval.

  • *A main effect of age (p 0.05).