Term
|
Definition
| stimulation of sensory receptors and the transmissions of that info to CNS |
|
|
Term
|
Definition
how interpret sensory information
reflects learning expectations and attitudes |
|
|
Term
|
Definition
weakest amount of stimulus that can be sensed
different for humans and animals
varies from person to person |
|
|
Term
|
Definition
| minimum amount of difference that can be detected between two stimuli |
|
|
Term
|
Definition
| method of distinguishing sensory stimuli |
|
|
Term
| signal detection theory takes into account what? |
|
Definition
strength of stimuli
setting
your physical state
mood and attitudes
motivation learning and expectations |
|
|
Term
|
Definition
| process by which we become more sensitive to weak stimuli and less sensitive to unchanging stimuli |
|
|
Term
|
Definition
opening into he eye
size of the pupil automatically to let light in
sensitive to emotions |
|
|
Term
|
Definition
| transparent tissue that adjusts to distance |
|
|
Term
|
Definition
| changes thickness of lens |
|
|
Term
| what happens to the lens as we age? |
|
Definition
|
|
Term
|
Definition
| projects image onto retina |
|
|
Term
|
Definition
| acts like film in a camera |
|
|
Term
| the retina made of neurons called what? |
|
Definition
|
|
Term
| 2 photoreceptors and what they do? |
|
Definition
rods-black and white
-more sensitive to light
cones-color vision |
|
|
Term
|
Definition
| transparent tissue covering the front of the eye |
|
|
Term
| cornea has no ______ but does have ____? |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
least pigment/most sensitive to light
most pigment/least sensitive to light |
|
|
Term
|
Definition
| layer of blood vesicles that nourish the eye |
|
|
Term
| the choroid is the ______ layer of the eye, and causes __________? |
|
Definition
|
|
Term
|
Definition
| clear watery fluid in the anterior chamber of the eye |
|
|
Term
| fluid is continuously _______ and _______? |
|
Definition
|
|
Term
|
Definition
| when fluid doesn't drain which causes pressure in the eye |
|
|
Term
|
Definition
| protective coating around the posterior 5/6 of the eyeball |
|
|
Term
|
Definition
| clear jelly-like substance that fills the eyeball and helps maintain shape |
|
|
Term
|
Definition
| carries message to the brain |
|
|
Term
|
Definition
| point where optic nerve leaves eye |
|
|
Term
|
Definition
your ability to see in lowlight improves for 45 min.
adjustment to bright light happens faster |
|
|
Term
|
Definition
|
|
Term
|
Definition
good vision can read entire chart at 20 feet
can see at 20 feet what most can see at 200 feet legally blind |
|
|
Term
|
Definition
| color circle color spectrum bent into a circle |
|
|
Term
|
Definition
too fast to see
too slow to see |
|
|
Term
|
Definition
| red orange yellow green blue indigo violet |
|
|
Term
|
Definition
| across from each other on color wheel. they make gray when combined. only with light not with pigment |
|
|
Term
|
Definition
| complementary color cones fire to bring system back in balance |
|
|
Term
|
Definition
| don't have normal color vision either from the absence or malfunctions of cones |
|
|
Term
| total color blindness is _________? |
|
Definition
|
|
Term
| _____/_____ and _______/_______ color blindness is _______ especially in men? |
|
Definition
red/green, blue/yellow
fairly common |
|
|
