PSY 465 Ch 5 & 6 Q's
What is strabismus?
A failure of the two eyes to focus on the same thing at the same time
In what order does visual information pass through the retina?
Receptor cells, bipolar cells, ganglion cells
Night-active species are more likely than day-active species to have ____.
a greater rod to cone ratio
Each taste receptor lasts _____.
about 10 to 14 days
In adult humans, the taste buds are ____.
concentrated along the outside edge of the tongue
Which receptors are responsible for the perception of color?
cones only
In the human eye, the fovea _____.
has the greatest perception of detail
Itch is the result of _____.
histamine release
A sound shadow refers to ____.
how much louder a high frequency sound is for the ear closest to the sound
According to the law of specific nerve energies, _____.
impulses from the eye will be interpreted by the brain as vision
Conductive deafness may result from damage to the _____.
middle ear
Olfactory receptors carry their message to the ____.
olfactory bulb
The brain chemicals known as endorphins produce effects similar to which substance?
opiates
The optic nerves from the right and left eye initially meet at the ____.
optic chiasm
In terms of its causes, tinnitus may be similar to _____.
phantom limb experiences
Chemicals that release energy when struck by light are called _____.
photopigments
Light enters the eye through an opening in the center of the iris called the ____.
pupil
The point in space from which light strikes the receptor is called the ____.
receptive field
Someone with prosopagnosia has difficulty with ____.
recognizing faces
Pain receptors of the skin are ____.
simple, bare neuron endings
Taste receptors are modified _____.
skin cells
The somatosensory system involves sensation of ____.
the body and its movements
Most auditory information is sent to which hemisphere of the brain?
the contralateral side
As you move from the center of the retina to the periphery, _____.
the proportion of rods increases
The eardrum is also called the _____.
tympanic membrane
An inability to recognize objects despite otherwise satisfactory vision is called ____.
visual agnosia
From an evolutionary point of view, humans have a sense of taste so that ______.
we know what to eat and what to spit out