PSYC3241 Lecture Notes - Lecture 19: White Noise, Cortisol, Corticosterone
30 May 2019
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Long standing belief that early life experiences have an especially pronounced effect on. Some have suggested that adverse early life experiences are the basis of many psychop. Contradicts infantile amnesia hypothesis- how can you be affected if you don"t rememb. Particularly appealing as the epidemiological evidence shows that many individuals with. Ms pups have 3 hours away from mother compared to standard rear group. When pups are returned, mum is stressed and so produces high cortisol level milk. At 17 days post natal, male pups given pairings of white noise cs and a shock us. Measure of learned fear was cs- elicited freezing. Found standard rear group had infantile amnesia- showed less freezing at 10 days. Maternally separated ani8mals showed no infantile amnesia at 10 days and this las. Clinically important- possible solution to the apparent paradox of the importance of ear. Theoretically- may provide unique approach to understanding the molecular bases of m.
