behavior/neurological
• enhanced performance in tests with appetitive reinforcers (radial maze and water-finding tasks) but not in tests with aversive stimuli for conditioning (contextual fear conditioning or Morris water maze)
|
nervous system
N |
• no detected abnormalities in neural development or synaptic structure
|
• enhanced prepulse inhibition of the acoustic startle response
|
• increased hippocampal LTP and its saturation level
|