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| Description: The graphs show the effects of acute stress caused by exposing a rat to the sight and smell of a cat. The stress raised the glucocorticoid level (corticosterone, in the case of a rat), impaired the development of primed-burst potentiation (PBP, a form of long-term potentiation) in slices taken from these animals, and interfered with learning of a spatial task that requires the hippocampus. (Based on data from Diamond et al., 1999.)
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