What Happens If Twice as Many Inhibitory Postsynaptic Potentials (IPSPs)

question 30

Multiple Choice

What happens if twice as many inhibitory postsynaptic potentials (IPSPs) as excitatory postsynaptic potentials (EPSPs) arrive at a postsynaptic neuron in close proximity?

• A) A stronger action potential results.
• B) A weaker action potential results.
• C) No action potential results.
• D) A normal action potential results.

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Definitions:

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A neurotransmitter involved in many functions, including motivation, pleasure, cognition, memory, learning, and fine motor control.

Parkinson's Disease

A progressive neurological disorder characterized by motor symptoms such as tremors, stiffness, and slowed movement, caused by the loss of dopamine-producing brain cells.

Behavioral Disorder

A type of disorder that involves a pattern of disruptive behaviors in children or adults that last for at least six months and cause problems in school, at work, or in social situations.

Volley Principle

A theory suggesting that the perception of pitch in sound is determined by the combined frequencies of neural signals.