% of animals showed anxiety
  Males Female
  Control Risp DG4.5-Risp Control Risp DG4.5-Risp
Acute 86 28 28 60 28 14
Chronic 100 43 43 100 71 86
Table 2: Percentage of male and female animals referred to all that experimented anxiety in the elevated cross maze. Animals that remained permanently in a closed area were considered anxious (n=7).