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Lecture

10-4-12.docx

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Department
Psychology
Course
PSY-0001
Professor
Urry
Semester
Fall

Description
10­4­12 • Long Term Memory o Explicit Memory: conscious memories we can recall well  Episodic Memory: can remember time and place  Semantic Memory: doesn’t have a particular time and place  (meaning of words, rules of a game) o Implicit: non conscious memories  Procedural: memory of motor procedures (riding a bike)  Classical Conditioning: CS and US with corresponding responses • Bilateral hippocampal excision o Man called H.M. o Cannot encode new explicit memories • Emotional Memory o Emotionally arousing events or stimuli are remembered better than non­ arousing ones (what you were doing on 9/11 vs 9/13) o Studied in rodents and humans o “Emotional modulation of memory”  Memory can be boosted by emotional arousal • In an emotionally arousing situation: o Epinephrine and norepinephrine are released (aka adrenaline and  noradrenaline) o Cortisol release (stress hormone) o NE and cortisol bind to diff receptors in the amygdala o Amygdala signals hippocampus to increase memory encoding o Researchers can manipulate these brain structures and neurotransmitters  and observe changes in emotional memory  Bilateral amygdala lesions o Even emotional memories can be distorted • Deese­roediger­mcdermott (DRM) o One way to demonstrate and study false memories o Leads to interesting conclusions including that DRM illusion is positively  associated with  Inconsistencies in people’s reports of past events  The tendency to report memories of past lives and alien abduction  Age; that is, this type of false memory is more likely among adults  than young children • False Memories o More common than we think they are o Can
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