Refer to Figures 12

question 50

Multiple Choice

Refer to figures 12.16 and 12.17 In the text , what is the take home message from these awake brain stimulation experiments of the middle temporal area (MT) ?

• A) because of aperture bias, monkeys can only perceive motion in the rightward direction
• B) stimulation of the MT reverses the directionality of perceived motion
• C) monkeys fail to perceive direction of movement when the stimulated MT neurons are oriented in the opposite direction
• D) the perception of movement is only encoded in the MT and determination of movement direction is in higher-ordered cortical structures
• E) all of the above

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Definitions:

Smooth Muscle

A type of muscle found in the walls of internal organs, such as the stomach and intestines, that contracts involuntarily.

Skeletal Muscle

A type of muscle that is attached to bones and is involved in the mechanics of movement in the body.

Striated

Having stripes or lines, often referring to a type of muscle tissue that appears striped under a microscope.

Actin

A protein that is essential for the contraction of muscle cells and plays a role in various types of cell movement and structure.