5.4

Question 1

learning

Answer 1

a relatively persistent or even
permanent change in behavior that results from experience

Question 2

habituation

Answer 2

response to a stimulus weakens with repeated
stimulus presentations

Question 3

saccades

Answer 3

Small, fast, random eye movements designed to keep photoreceptors
exposed to ever-changing visual stimuli to prevent habitation.

Question 4

Sensitization

Answer 4

Learned behavior in which the response to a stimulus strengthens with
repeated presentations

Question 5

PTSD

Answer 5

Syndrome characterized by physiological arousal associated with
recurrent memories and dreams arising from a traumatic event that
occurred months or years earlier.