Question

1)The retina is the

a)Area that allows light to pass into the eye

b)Visual receptor cell

c)Membrane of the eye that receives information

d)Opening at the center of the iris

2)Figure-Ground is

a)The tendency to group similar objects together

b)The tendency to see people before their surroundings

c)The part of a wave that influences color perception

d)The tendency to assume people moving together share a common fate

3)According to the Gestalt principles of organization, continuity means that

a)objects that are similar are perceived as going together

b)We tend to complete a form when it has gaps

c)We follow whatever direction we are led

d)Objects that are close to each other in physical space are often perceived as belonging together.

4)In phantom limb phenomenon, the patient

a)Has ability to feel pain in a limb that does not exist

b)Sends slower signals which open the neural gate

c)Has expectations about how much pain he or she will feel

d)Registers localized pain

5)An Electroencephalogram (EEG) measures sleep by

a)Measuring eye activity

b)Measuring muscle activity

c)Measuring electrical brain activity

d)Measuring circadian rhythm

Answer 1

4.(a) Patients suffering from phantom limb phenomenon perceive that the amputated limb is still present and functioning as before. Phantom pain is the pain that feels like it's coming from a body part that's no longer there.

5.(c) Electroencephalography (EEG) is an electrophysiological monitoring method to record the electrical activity generated by the brain from electrodes placed on the scalp surface. It is used to diagnose epilepsy,  sleep disorders, coma, and brain death.