11-COGS11-Memories-to-Fear

11-COGS11-Memories-to-Fear - Mary ET Boyle, Ph.D. nce UCSD...

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Unformatted text preview: Mary ET Boyle, Ph.D. nce UCSD ive Scien f Cogniti tment of Depart emories to Fear Memories to Fear an instant fear can In an instant, fear can seize control of the brain. Master switch is the amygdala . Where terrifying moments are forged into memories. Primary Somatosensory Cortex halamus Thalamus Hypothalamus Amygdala Hippocampus Physical event is over. Emotional impact continues. r weeks emories haunt For weeks memories haunt riving through intersections causes Driving through intersections causes your gut to tighten. Driving at night seems more dangerous to you. Even 1 year later seeing that type of tree triggers a sense of dread. gg from a biological or evolutionary perspective, memory is about the future . Meet douard Claparde Claparde performed a fairly well known experiment in which he would test whether or not the trauma of a painful event would be retained if short term emory was lost His experiment involved a woman who suffered from a memory was lost. His experiment involved a woman who suffered from a form of amnesia. She had all of her old memories as well as her basic reasoning skills, but the recent past was not remembered. laparde ad greeted her every day, each time she could Claparde had greeted her every day, each time she could not remember his face at all. Then during one session of the experiment, Claparde hid a pin in his hand and reached to ake the woman's hand pricking her h t d shake the woman's hand, pricking her. The next day, sure enough, she did not remember him. But when Claparde went to shake her hand, he found that she hesitated , recognizing a threat when her memory had been severely damaged. Classical Conditioning Typical fear conditioning experiment the primary neural pathway...
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This note was uploaded on 03/02/2010 for the course COGSCI 11 taught by Professor Maryb. during the Spring '10 term at UCSD.

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11-COGS11-Memories-to-Fear - Mary ET Boyle, Ph.D. nce UCSD...

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