Learning & Memory
Автор: Sirui Tao
Загружено: 2026-03-10
Просмотров: 3
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UCSD Cogs 201 Week 7 | Learning & Memory
This video examines the biological principles of learning, centered on the Hebbian idea that cells that "fire together, wire together." It details how changes in synaptic efficacy can reflect presynaptic changes in neurotransmitter release or postsynaptic changes in the response to glutamate. The video covers Pavlovian fear conditioning, illustrating how the amygdala associates a neutral conditioned stimulus with an unconditioned shock to produce freezing responses. It also explores the labile nature of memories, demonstrating how "re-remembering" makes a memory vulnerable to erasure if norepinephrine is blocked during recall. Finally, it explains how the rules for synaptic change are dependent on neuromodulatory systems, such as acetylcholine and norepinephrine, which vary across behavioral states.
(Made by Zhiqing: https://www.zhiqingwang.me/)
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