Psychology Chapter 3,4,5

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Which of the following conclusions can be drawn from the case study of Phineas Gage's accident, which led to brain injury?

Injury to the brain can cause changes in behavior, and specific brain areas are linked to particular behaviors.

Petra walks into a brightly lit Psychology lab to participate in an experiment involving the ability to perceive the colors of the rainbow. Which photoreceptors will be most useful during this experiment?

cones

Ravon was born deaf, so he is diagnosed with ________ deafness.

congenital deafness

Mescaline is considered a ________ drug because it results in profound alterations in sensory and perceptual experiences.

hallucinogenic

When Brady is hot he sweats. When Brady is cold, he gets goose bumps on his skin so he will warm up more quickly. This is an example of how the body tries to achieve ________.

homeostasis

What concept is illustrated by the following study? Participants were instructed to focus on either white or black objects, disregarding the other color. When a red cross passed across the screen, about one third of the subjects did not notice it.

inattention blindness

In a normal-sighted individual, the ________ will focus images perfectly on a small indentation in the back of the eye known as the ________.

lens; fovea

Tyrahn's rods do not transform light into nerve impulses as easily and efficiently as they should, so he has difficulty seeing in dim light. This is called ________.

night blindness

Sleepwalking, night terrors, and restless leg syndrome are all examples of________.

parasomnias

Ainsley is participating in a study that aims to determine whether the occipital cortex becomes more active in response to moving versus stationary stimuli. When she arrives at the lab, she ingests a ?tracer? and then enters the scanning machine. What type of brain imaging is most likely being conducted in this study?

positron emission tomography (PET)

________ asserts that our genes set the boundaries within which we can operate, and our environment interacts with our genes to determine where within those boundaries we will fall.

range of reaction

Victoria has accumulated a large sleep debt. This means that she ________.

suffers from chronic sleep deprivation

The ________ nervous system is responsible for responses such as pupil dilation, increased heart rate, and increased respiration.

sympathetic

The ________ of a neuron contain ________ that house neurotransmitters, the chemical messengers of the nervous system.

terminal buttons; synaptic vesicles

Tayla smokes marijuana. At first, just a few inhalations were enough to cloud her mind. Over time, she needs to smoke more and more to achieve the same affect. This is an example of ________.

tolerance

A particular electrical signal being transmitted to a neuron is sufficient to generate an action potential. If the magnitude of the incoming electrical signal is doubled, the action potential will ________.

undergo no changes in strength, speed, or duration

The social cognitive theory of hypnosis suggests that ________.

People in hypnotic states are performing the social role of a hypnotized person.

Human eggs and sperm each contain 23 ________, which are composed of long strands of ________.

chromosomes; DNA

Melatonin release is stimulated by ________ and inhibited by ________.

darkness; light

Alcohol is considered a ________ because it tends to suppress central nervous system activity.

depressant

________ is a technique often used in studies investigating sleep patterns. Researchers place electrodes at various locations on a person?s head in order to record brainwaves.

electroencephalography (EEG)

Which psychological perspective might advance the argument that our sleep patterns evolved as an adaptive response to predatory risks, which are higher during periods of darkness?

evolutionary

Which part of the eye holds eye color?

iris

Psychotropic medications are drugs that treat psychiatric symptoms by restoring ________ balance.

neurotransmitter

Which of the following exemplifies olfaction?

smelling cookies in the oven

________ is exemplified by stroking the hand of another person.

somatosensation

In addition to sweet, salty, sour, and bitter, what other taste groupings do we possess?

umami and fat content

Rosemary had a stroke about a year ago and now she cannot understand what people are saying to her. This is embarrassing for her, so she responds using vague language and tries to make it appear as though she understands. Which area of Rosemary's brain was likely damaged by the stroke?

Wernicke's area

Sariah enters a room with several chirping crickets in it. Upon first entering the room, Sariah can hear the chirping; however, as she begins to talk to her friends, she is no longer aware of the chirping even though it is still there. The fact that Sariah no longer perceives the chirping sound demonstrates sensory ________.

adaption

Shyla experiences a long delay between the time that she goes to bed and the time that she actually falls asleep. In addition, she wakes up several times during the night and has difficulty getting back to sleep. To diagnose Shyla with insomnia, it is necessary that she experiences these symptoms________.

at least three nights a week for one month


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