Presents abstracts of several studies on learning and psychology. "Intrathecal Injections of the Neurokinin Agonists Substance P Methyl Ester and Neurokinin A Induce a Learning Deficit in Spinal Rats," by Kyle M. Baumbauer et al; "Autonomic Fear Responses and Human Amygdala Activity: An Event-Related fMRI Study," by D. T. Cheng et al; "Purkinje Neuron Correlates of Learning," by Kimberly Christian and Richard Thompson.