Exam 13: Touch

_______ means mapped in correspondence to the skin.

Suppose a rat pup is born to a mother who does not lick and groom her offspring but is raised by a foster mother who does lick and groom the rat pup. What can we expect of the rat pup's behavior as they mature?

Proprioception is perception mediated by

Describe the four types of mechanoreceptors in the skin and the sorts of stimuli that they best respond to.

Suppose you are a patient in one of Penfield's famous experiments involving stimulation of the somatosensory cortex. During the procedure, the brain stimulation causes you to feel a tingling in your right arm. If Penfield moves the probe a centimeter along the cortex and stimulates the brain there, which part of your body will most likely feel a tingle?

Which of the following describes the ability of neural circuits to undergo changes in function or organization as a result of previous activity?

If you pick up a novel object that you've never seen before and run your fingers along it to get a better sense of its shape, you are engaging in

The perceived sensation from a physically amputated limb of the body is known as

_______ are chemicals released by the body that block the release or uptake of neurotransmitters necessary to transmit pain sensations to the brain.

In the brain, the _______ is associated with cognition and executive control and is involved when, for example, cancer patients dread facing another round of chemotherapy because they remember the pain of the first round.

The _______ horn is the region at the rear of the spinal cord that receives inputs from receptors in the skin.

Which part of the body has the largest representation in the somatosensory map?

An increased or heightened response to a normally painful stimulus is called

The _______ describes the system that transmits pain and incorporates modulating signals from the brain.

Whereas _______ cortex processes the intensity of touch sensations, _______ cortex processes their pleasantness.

Suppose you reach into the depths of your backpack without looking and find a pencil using your sense of touch alone. You have just engaged in _______ perception.

Which of the following is the correct order of body parts, from the largest two-point threshold to the smallest?

Refer to the figure. This figure illustrates an apparatus used to

When you stub your toe, why is there a short delay between sensing that you hit your toe and feeling the pain from the impact?

Refer to the figure. This figure illustrates the study of