These revision notes delve into the developmental programs that control brain wiring to understand the cues that trigger neurons to take the correct shape and connect with appropriate partners. My revision notes also concisely explore how understanding neural circuit assembly suggests ways of treat...
Associative learning can be emotional responses involving the amygdala or
skeletal musculature involving the cerebellum
Classical conditioning is a form of learning originally described in dogs by the
Russian scientist Ivan Pavlov
Classical conditioning of Aplysia gill withdrawal (homosynpatic plasticity)
Unpaired delivery of touch (CS) to
the siphon before training
Paired delivery of touch and tail
shock (US) during training
Touch (CS) after training
This is a form of Heterosynaptic
facilitation
Increase of the efficacy of
synaptic transmission
between a test interneuron
and a post-synaptic neuron,
produced by the stimulation
of a separate pathway.
Homosynaptic plasticity:
- Changes (facilitation or depression) occur in the same synapse that gets
activated.
Heterosynaptic plasticity:
- A synapse, other than the activated one that gets facilitated (or depressed).
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