was placed at the center of the maze, facing one of the open arms.
During 5 min test period, the following parameters were recorded:
(1) time spent in open arms, (2) number of open arm entries,
(3) first time to leave the center, (4) number of enclosed arm entries
and (5) number of central platform crossings. Entry into the open or
enclosed arms was defined at the point when the animals placed all
paws on the arm