Lecture 19

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Flashcards on Lecture 19, created by Kat Martin on 03/21/2017.
Kat Martin
Flashcards by Kat Martin, updated more than 1 year ago
Kat Martin
Created by Kat Martin over 7 years ago
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Karl Lashley Had rats learn maze and then cut and lesioned parts of the brain to try to find where memory is processed but only found mass action law and equipotentiality law; searched for the circuits of procedural memory in regions mediating memory for declarative information
Mass Action Law The more brain matter that is destroyed, the more severe the memory deficient
Equipotentiality Law Specific area of destruction of the brain does not matter
Anterograde amnesia Cannot form new memories
Retrograde amnesia Cannot recall past events
Declarative information Facts; contains episodic, bibliographic, and semantic memory
Procedural information perceptual and motor information; *showing* skills or information
Taxonomy of memory Long term memory is grouped into two different categories
Henry Molaison Intractable seizures; controlled only by bilateral medial temporal lobectomy = anterograde amnesia, some retrograde amnesia, but short term memory normal
Brenda Milner Studied H.M.; first to give basis on where to start in research to behavioral neuroscience
Memory system experiment Performance impaired by temporal lobe lesions; temporal regions much more severe than just hippocampus
Different attributes of memory may be processed by different brain systems 1. Space - Hippocampal formation 2. Time - Hippocampal formation 3. Affect - Amygdala 4. Sensory perception - Extrastriate cortex 5. Reponse - Caudate nucleus
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