questions for psyc

questionspysc.docx

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Choose the correct characteristics of long-term potentiation (LTP):

Question 1 options:

	The Mg2+ block in the NMDA receptor must be removed by to cause sufficient depolarization of the postsynaptic cell.
	AMPA receptors must be added to the postsynaptic cell membrane to increase this cell’s sensitivity to glutamate in the future.
	Calcium entering through the AMPA receptor is necessary for intracellular changes leading to induction of LTP.
	A and B are correct.
	All of these are correct.

Question 2 (2 points)

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A spinal reflex arc consists of an afferent sensory neuron, efferent motor neuron, and an interneuron that is located in the ________.

Question 2 options:

	Parasympathetic nervous system
	Basal ganglia
	Spinal cord
	Thalamus

Question 3 (2 points)

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________ is the sound characteristic that allows us to discriminate two sounds that have identical loudness, pitch, and duration.

Question 3 options:

Question 4 (2 points)

Choose the answer that best supports the function of the cerebellum:

Question 4 options:

	The signal for voluntary movement, such as moving your arm to grab your coffee, originates in the cerebellum.
	The motor cortex and spinal cord send information to the cerebellum for modification and fine tuning of the voluntary movement in light of body position.
	A person with cerebellar ataxia has problems initiating movements, but not executing these movements.
	Only the skeletal muscles send signals to the cerebellum for modification of voluntary movements.

Question 5 (2 points)

The Two-Factor theory of emotion states that

Question 5 options:

	Emotional behaviors must first be labeled before arousal can be experienced.
	Physiological arousal is not needed for experiencing emotion
	None of these.
	A person must cognitively label physiological arousal to experience emotion

Question 6 (5 points)

What are three differences between REM sleep and non-REM sleep?

Question 6 options:

Question 7 (5 points)

Compare and contrast neuronal and hormonal communication.

Question 8 (5 points)

Explain how interaural time differences and interaural level differences help us locate sound sources

Question 9 (5 points)

Explain the role of the hippocampus in memory. Provide one piece of evidence supporting your answer.