Psych exam 2

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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


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