You Are Experimenting on 3 Neurons in a Brain Slice

question 38

Multiple Choice

You are experimenting on 3 neurons in a brain slice that obey Hebbian principles of synaptic plasticity. Neurons 1 and 2 form separate synapses onto Neuron 3. If neurons 1 and 2 fire simultaneously and an action potential results in neuron 3, you might expect that

• A) neuron 3 would be more easily depolarized to stimuli from neuron 1
• B) neuron 1 would be more easily depolarized to stimuli from neuron 3
• C) neuron 1 would be more easily depolarized to stimuli from neuron 2
• D) all of the above

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Definitions:

Hypoglycemia

A medical condition where blood glucose levels fall below the normal range, causing symptoms like dizziness, confusion, and weakness.

Cretinism

A condition resulting from the severe deficiency of thyroid hormone in infancy, leading to stunted physical and mental growth.

Thyroid Gland

A butterfly-shaped gland located in the neck that produces hormones regulating metabolism, body energy, and the functioning of other body systems.

Pancreas

A vital organ located in the abdomen, involved in both digestive and hormonal functions, including the production of insulin.