Make a Diagram of Aplysia Sensory Neurons and Show How

question 61

Essay

Make a diagram of aplysia sensory neurons and show how they are affected by serotonin in the gill-withdrawal reflex. Include pre-synaptic sensitization, serotonin receptors, second messenger molecules, and ion channels. Show how serotonin binding leads to depolarization and therefore an increased response.

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Definitions:

Delayed Conditioning

A conditioning process where there is a time gap between the presentation of the conditioned stimulus (CS) and the unconditioned stimulus (US) that leads to learning.

Trace Conditioning

A form of classical conditioning where there is a time interval between the conditioned stimulus and the unconditioned stimulus, requiring the subject to maintain a memory of the CS to form the association.

Cortex

The outermost layer of the brain, responsible for complex cognitive functions, memory, and decision-making.

Amygdala

A region of the brain within the temporal lobe that plays a key role in processing emotions, including fear and pleasure.