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http://sensor.neusc.bcm.tmc.edu/David/Book.html Powerpoint slides from “Mechanisms of Memory” Class Web site (should be up next week) http://www.biology.ucsd.edu/classes/bipn148.SP05 Office hours: Aryn Gittis Tues 5:30-6:30; Wed 11-12 Pac Hall 1115 Danny Simpson Mon 11-12 CLICS 2nd Floor
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Ebbinghaus Results
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Ebbinghaus Test continued (Further analysis of short and long-term memory) Indicate A-L or M-Z Indicate M/F Physical Activity: H/L (H=3 times a week, > 30 minutes each)
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Ebbinghaus Test 1 continued Write: Delay=48 h Write down as many of the words you remember from Monday
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FER GUJ MAW QON NID WAP GOC DOM JIS ZUN Ebbinghaus Test 2 Question: What is the time constant of short term memory?
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M-Z: Write Delay=0 minutes and write down word list A-L: Write Delay=1 minute and write down word list after waiting one minute
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FER GUJ MAW QON NID WAP GOC DOM JIS ZUN Score memory test
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Ivan Pavlov Classical Conditioning
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Pavlovian Associative Conditioning Conditioned Stimulus Unconditioned Stimulus Conditioned Stimulus Unconditioned Response Conditioned Response
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Time CS US Delay Conditioning Trace Conditioning Categories of Associative Conditioning
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Corneal Air Puff Elicits Eyeblink Response Corneal Air Puff Given with Tone Tone Given Alone Elicits Eyeblink Response Eye-Blink Conditioning in Rabbits
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TRAINING CONTEXTUAL TEST CUED TEST Animal is placed in novel context Hears a tone Receives foot shock Animal is returned to same context Test for freezing behavior Animal is placed in modified context Hears a tone Test for freezing behavior Fear Conditioning
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Training Cued Contextual Cued-Plus-Contextual Fear Conditioning
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0.0 0.2 0.4 0.6 0.8 1.0 LiClNaCl grams blueberry bar Conditioned Taste Aversion DAY 1 DAY 2 1 st Exposure to Food Item 2 nd Exposure to Food Item Injection of LiCl or NaCl Grams Ingested on 2 nd Exposure (LiCl treated group compared to NaCl treated control) A B
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Neophobia DAY 1 DAY 2 1 st Exposure to Food Item A Grams Ingested (1 st exposure compared to second exposure) B 0.0 0.2 0.4 0.6 0.8 1st intake2nd intake grams blueberry bar 2 nd Exposure to Food Item
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