5.2 Plasticity After Brain Damage

Question 1

Stroke

Answer 1

A temporary loss of normal blood flow to a brain area

Question 2

Closed head injury

Answer 2

A result of a sharp blow to the head that does not puncture the brain

Question 4

Ischemia

Answer 4

Type of stroke resulting from a blood clot or other obstruction in an artery

Question 5

Cerebrovascular accident

Answer 5

Another name for stroke

Question 6

Tissue plasminogen activator (tPA)

Answer 6

Drug that breaks up blood clots

Question 7

Hemorrhage

Answer 7

Type of stroke resulting from a ruptured artery

Question 9

Edema

Answer 9

Accumulation of fluid

Question 12

Phantom limb

Answer 12

A continuing sensation of an amputated body part

Question 13

Diaschisis (di-AS-ki-sis)

Answer 13

Decreased activity of surviving brain neurons after damage to other neurons

Question 15

Collateral sprouts

Answer 15

Newly formed branches of an axon

Question 16

Denervation supersensitivity (reseptor supersensitivity)

Answer 16

Increased sensitivity to neurontransmitters by postsynaptic neuron after loss of input

Question 19

Deafferent

Answer 19

To remove or disable the sensory nerves from a body part