4_Lashley - whole; performance improves when more of the...

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Karl Lashley Learning = Modification of a Reflex Arc i.e. of the pathway that connects the relevant sensory cortex to motor cortex
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Rat Brain Regions
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Maze Learning and Retention
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Extent of cortical lesion which did not abolish latch-box habits
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Coordinated Movement
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Tactile or Visual Memory
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Visual Learning
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Lashley--Cortical Lesions
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Equipotentiality All parts of the cortex contribute equally to learning; one part can substitute for another part. :
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Mass Action Mass Action: The cortex works as a
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Unformatted text preview: whole; performance improves when more of the cortex is involved. In Search of the Engram Why? Lynch--Reanalysis Influences on Lashleys Data 1. Subcortical damage 2. Recovery of function Use another brain area (and maybe another sense) 3. Learning can occur outside the cortex 4. Degeneration can affect thalamus & basal ganglia 5. Loss of sensory resolution 6. Redundant learning 7. Possible that some errors are intentional...
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This note was uploaded on 02/23/2008 for the course PSYCH 3320 taught by Professor Devoogd, t during the Spring '07 term at Cornell University (Engineering School).

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4_Lashley - whole; performance improves when more of the...

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