8.2 Brain Mechanisms Of Movement

Question 1

Primary motor cortex

Answer 1

Area of the prefrontal cortex just anterior to the central sulcus; a primary point of origin for axons conveying messages to the spinsl cord

Question 2

Supplementary motor cortex

Answer 2

Area of the frontal cortex; active during preparation of the rapid sequence of movements

Question 3

Posterior parietal cortex

Answer 3

Area with a mixture of visual, somatosensory, and movement funtions, particularly in monitoring the position of the body relative to objects in the world

Question 4

Prefrontal cortex

Answer 4

Store sensory information relevant to a movement and considers possible outcomes of a movement.

Eks: Damage in this area will many of your movement be illogical or disorganized, such as showering with your clothes on.

Question 6

Premotor cortex

Answer 6

Area of the frontal cortex, active during the planning of a movement

Question 8

Readiness potential

Answer 8

Recordable activity in the motor cortex prior to voluntary movement

Question 11

Red nucleus

Answer 11

A midbrain area that is primarily responsible for controlling the arm muscles

Question 12

Vestibular nucleus

Answer 12

Cluster of neurons in the brainstem, pirmarily responsible for motor responses to vestibular sensations

Question 13

Mirror neurons

Answer 13

Cells that are active during a movement and while watching someone else perform the same movement

Question 16

Corticospinal tracts

Answer 16

Parhs from the cerebral cortex to the spinal cord

Question 17

Lateral corticospinal tract

Answer 17

A set of axons from the primary motor cortex, surrounding areas, and midbrain area that is primary responsible for controlling the peripheral muscles

Question 19

Purkinje cell

Answer 19

Flat cells in the sequential planes, in the cerebellar cortex, parallell to one another

Question 20

Medial corticospinal tract

Answer 20

Set of sxons from many parts of the cerebral cortex, midbrain, and medulla; responsible for control of bilateral muscles of the neck, shoulders, and trunk

Question 21

Nuclei of the cerebellum

Answer 21

Cluster of cell bodies in the interior of the cerebellum

Question 22

Putamen

Answer 22

Large subcortial structure, part of the basal ganglia

Question 28

Cerebellar cortex

Answer 28

The surface of the cerebellum

Question 31

Basal ganglia

Answer 31

A group of large subcortical structures in the forebrain

Question 32

Globus pallidus

Answer 32

Large subcortical structure; part of the basal ganglia

Question 34

Caudate nucleus

Answer 34

Large subcortical structure, part of the basal ganglia

Question 38

Antisaccade task

Answer 38

A voluntary eye movement away from the normal direction