Psych exam 2
cones
photoreceptors in the retina of the eye that respond to bright light and provide color vision
rods
photoreceptors in the retina that play key role in night vision, most reponsive to dark and light contrast
selective attention
the ability to focus awareness on specific features in the environment while ignoring others
insomnia
Nathan is a budding lawyer experiencing troubled sleep. Let alone the occasional disturbed sleep, he takes not less than two hours to fall asleep. Even though he has been getting sleep at times since the last three weeks, he complains of not feeling rested after a night's sleep. Nathan's symptoms suggest that he suffers from:
fovea
The _______, a spot on the back of the retina, contains the highest concentration of cones in the retina.
addiction
Which of the following can be best described as a condition that results from habitual use or physical and psychological dependence on a substance?
freud
Which psychologist coined the term preconscious?
sustained attention
an attentional process that helps determine the contents of consciousness at any given moment in time
meditation
calm the mind, stablize concentration, or enhance awareness of present movement
morphine
classified as an opioid
melatonin
horomone that plays role in relaxation and drowsiness
four
how many stages are in non-rapid eye movement sleep (NREM)?
sleep changes throughout the night
with EEG technology, scientists were able to lean
4-6; 90
Adults move through about ________ different cycles of non-REM and REM sleep every night, with each cycle lasting roughly ________ minutes.
depressant
If a drug slows down central nervous system activity while increasing the activity of the main inhibitory neurotransmitter in the brain, then it is most likely to be a(n):
vegatative
In which state will a person be wakeful but not very aware?
frontal lobe
John is a heavy binge drinker who has trouble with planning, working memory, and abstract thinking. Scanning of John's brain would reveal that he has a damaged:
cocktail party effect
Nina is attending a get-together where she has to struggle to listen to a conversation with her colleague due to a lot of background noise. However, her ears prick up as soon as she hears her name being mentioned by someone in another part of the room and, consequently, she loses the thread of conversation with her colleague. Which of the following terms best describes the experience Nina has?
minimally conscious
People show signs of intentional behavior when they are:
ciracadian rythum
Raj is an employed youth who has been recently moved to a night shift. Of late, he has been complaining of disturbed sleep and poor concentration. He also feels fatigued and listless more often. A change in _____ is most likely to have caused Raj's problems.
developed psychological dependence on coffee
Salim likes to have coffee. He has begun to consume several cups of coffee even when he has nothing much to keep himself busy. He says that coffee keeps his spirits up by alleviating boredom. This indicates that Salim
0.08
The legal limit of blood alcohol concentration for driving in all states of the United States is ________ BAC.
awareness
The monitoring of information from the environment and from one's own thoughts is termed as:
inattentional blindness
The phenomenon by which one fials to notice unepxpected objects in his/her surroundings
red, green, blue
The trichromatic theory of color vision states that all colors humans experience result from a mixture of:
cochlea
The vibrations on the oval window send movement through the fluid-filled cavity of the _______.
moderately conscious state
When a person is roused by sounds that seem important while filtering out the rest that seem run-of-the-mill, he/she is
REM
rapid eye movement
iris
the colored part of the eye , adjusts the pupil to control the amount of light entering the eye
lens
the part of the eye behind the pupil that bends light rays, focusing them on the retina
retina
the thin layer of nerve tissue that lines the back of the eye
