College Psychology Exam #1
an addictive depressant used to relieve anxiety or induce sleep
barbiturate
The surface of the cerebrum - the cerebral cortex - is wrinkled, or convoluted, with ridges and valleys. These valleys are known as______.
fissures
numbers of waves per second
frequencies
helps focusing on the present rather than ruminating about problems
mindfulness meditation (MM)
_______, is the tendency to perceive an object as being just as luminous even though lighting conditions changes its intensity.
Brightness constancy
The brain and the spinal cord make up the_________, which controls and commands bodily functions.
Central Nervous System
-Rejuvenates the body -Helps one recover from stress -Helps one consolidate learning -May promote development of infants' brains
Functions of Sleep
_______remove dead neurons and waste products from the nervous system
Glial cells
The_________is a group of structures involved in memory, motivation, and emotion that forms a fringe along the inner edge of the cerebrum
Limbic system
Messages from the brain or spinal cord are transmitted to muscles or glands through______.
Motor neurons
_______is the concept that holds adaptive genetic variations among members of a specie enable individuals with those variations to survive and reproduce.
Natural selection
___________are specialized cells of the nervous system that receive and transmit messages
Neurons
________tells us whether we are falling and provides cues to whether our body is changing speed.
The vestibular sense
_______propose reasons for relationships among events that allow us to derive explanations and predictions.
Theories
Slow brain waves produced during the hypnagogic state
Theta waves
- First period in stage four sleep is the longest - Sleep becomes lighter as the night wears on - REM sleep becomes longer through the night - Last REM period may last for 30 minutes
Typical Night of Sleep
Which of the following senses is dominant in human beings?
Vision
the minimal amount of every that can produce a sensation
absolute threshold
A neuron has a(n)_______that extends like a trunk from the cell body.
axon
One of the advantages of________ is that by distributing questionnaires and analyzing answers with a computer, psychologists can study many thousands of people at a time.
surveys
Concentrates on mantras and produces relaxation response
transcendental meditation (TM)
A person with normal color vision is labeled a________.
trichromat
Cycle connected with the 24-hour period of earth's rotation (cycle of wakefulness and sleep is 24 hours long)
Circadian Rhythm
_________is the tendency to perceive an object as being the same hue even though lighting conditions change its appearance.
Color consistency
Which of the following statements is true of applied research
It is designed to find solutions to specific personal or social problems
Which of the following is a function of the medulla of the brain?
It lays roles in sleeping, sneezing, and coughing
Which of the following is true of humanistic - existential perspective?
It views people as free to choose and as being responsible for choosing their own behavior
synthetic hallucinogen that produces vivid and colorful hallucinations
LSD
First four stages of sleep
Non-rapid eye movement (NREM) sleep
_______is a monocular cue for depth based on the coming together of parallel lines as they recede into the distance
Perspective
________has been characterized as research for its own sake
Pure research
stage of sleep characterized by rapid eye movements, which have been linked to dreaming
Rapid eye movement (REM) sleep
________is best described as the stimulation of sensory receptors and the transmission of sensory information to the central nervous system.
Sensation
________is the process by which we organize or make sense of the sensory impressions caused by the light that strikes our eyes.
Visual perception
_______is the fraction of the intensity by which a source of physical energy must be increased or decreased so that a difference in intensity will be perceived.
Weber's constant
Rapid low-amplitude brain waves that have been linked to feelings of relaxation
alpha waves
can produce a euphoric feeling (individuals may fall into sleep or depression)
amphetamines
Heights, an index of strength
amplitudes
a concept with many meanings, including sensory awareness of the world outside, direct inner awareness of one's thoughts and feelings, personal unity, and the waking state
consciousness
According to the law of_______, there is a tendency to perceive a series of points or lines as having unity.
continuity
An association among variables is known as_________.
correlation
A(n)________expresses the strength and direction (positive or negative) of the relationship between two variables
correlation coefficient
The loudness of a sound is expressed in_______.
decibels(dB)
strong, slow brain waves emitted during stage 4 sleep
delta waves
drugs that lowers the rate of activity of the nervous system
depressants
minimal difference in intensity required between two sources of energy so that they will be perceived as being different
difference threshold
Nicotine, alcohol, and many other drugs are pleasurable because they heighten levels of____________.
dopamine
The_______is a thin membrane inside the ear that vibrates in response to sound waves.
eardrum
monitors muscle tension and is used by sports psychologists to train athletes in relaxing specific muscle groups so that anxiety and tension are controlled
electromyograph (EMG)
The______is the body's system of ductless glands that secrete hormones and release them directly into the bloodstream.
endocrine system
distorted perceptions or hallucinations that occur days or weeks after LSD usage but mimic the LSD experience
flashbacks
When following the scientific method, psychologists usually begin a study by...
formulating a research question
________refers to the culturally defined concepts of masculinity and femininity
gender
The term_______is used to describe the nucleotides found along just one of the rungs of a DNA double helix
genetic code
may alter time perception and increase one's awareness of bodily sensations and heightens sexual sensations; causes disorientation that may be pleasant or threatening
hallucinogenics - marijuana
The________perspective is grounded in the work of Carl Rogers and Abraham Maslow
humanistic - existential
an altered state of consciousness in which people are highly suggestible and behave as though they are in a trance
hypnosis
In the scientific method, a research question or reworded as a___________.
hypothesis
A participants's agreement to participate is research after receiving information about the purposes of the study and the nature of the treatments is referred to as_________.
informed consent
In Gestalt psychology, learning, especially problem solving, is accomplished primarily by________.
insight
A(n)_______ is a stereotyped pattern of behavior that is triggered in a specific situation.
instinct
Wilhelm Wundt used ________ to try to discover the basic element of experience
introspection
a sleep attack in which a person falls asleep suddenly and irresistibly
narcolepsy
drugs us ed to relieve pain and induce sleep; the term is usually reserved for opiates
narcotics
With_______, psychologists and other scientists can observe behavior where it happens, or "in the field".
naturalistic observation
Heredity defines one's______, which is based on biological structures and processes.
nature
Pain results when neurons called_______ in the skin are stimulated.
nociceptors
bodily processes that cannot be experienced through sensory awareness
nonconscious
a group of narcotics derived from the opium poppy that provide a euphoric rush and depress the nervous system
opiates
chemicals that act on opiate receptors but are derived from the opium poppy
opioids
The_______conducts sensory input to the brain, where it is relayed to the visual area of the occipital lobe.
optic nerve
active process by which sensations are organized and interpreted
perception
Through development, people develop a sense of being individuals (impressions, thoughts, and feelings make up consciousness)
personal unity
The retina consists of cells called________that are sensitive to light.
photoreceptors
the highness or lowness of a sound, as determined by the frequency of the sound waves
pitch
The________ lies below the hypothalamus and is dubbed the "master gland."
pituitary gland
The_________is a bulge in the hindbrain that lies forward of the medulla and transmits information about body movement.
pons
not currently in awareness, but readily available
preconscious
Some researchers consider the_______to be the "executive center" of the brain, where decisions are made to keep information in working memory and to solve problems
prefrontal cortex
According to the law of_______, there is a perceptual tendency to group together objects that are near one another.
proximity
drugs that have psychological effects such as stimulation or distortion of perceptions
psychoactive substances
_________is the scientific study of behavior and mental processes
psychology
allows one to avoid feelings of anxiety, guilt, or shame
repression
view that response expectancies play a key role in the production of the experiences suggested by the hypnotist
response set theory
explains hypnotic events in terms of the person's ability to act as through he or she were hypnotized
role theory
focus of one's consciousness on a particular stimulus
selective attention
stimulation of sensory receptors and the transmission of sensory information to the central nervous system
sensation
stimulation of sensory receptors located in the sense organs; transmission of sensory information to the central nervous system
sensation
Exposure to very loud sounds can lead to damage of the auditory nerve or hair cells, resulting in____________.
sensorineural deafness
temporary absence or cessation of breathing while sleeping
sleep apnea
frightening, dream-like experiences that occur during the deepest state of NREM sleep; nightmares occur during REM sleep
sleep terrors
drugs that increase activity of the nervous system
stimulants
sensory stimulation that is below a person's absolute threshold for conscious perception
subliminal stimulation
conscious ejection of unwanted mental events from awareness
suppression
A neuron relays its message to another neuron across a junction called a___________.
synapse
The hearing or auditory area of the cortex lies in the________lobe along the lateral fissure of the cerebral cortex
temporal
Axons end in small, bulb-shaped structures called_______.
terminal buttons
The pain message is relayed from the spinal cord to the_______and then projected to the cerebral cortex, making us aware of the location and intensity of the damage.
thalamus
B.F. Skinner proposed:
that organisms learn to behave in certain ways because their behavior has a positive outcome
unavailable to awareness under most circumstances
unconscious
continuous development of sense of self
waking state
_________stresses people's capacities for self-fulfillment and the central roles of consciousness, self-awareness, and decision making.
Humanism
Which of the following monocular cues is based on the perception that closer objects appear to have rougher surfaces.
Texture gradient
________primarily study the changes - physical, cognitive, social, and emotional - that occur throughout the life span
Developmental psychologists
Knowledge of one's own thoughts, feelings, and memories without the use of sensory organs
Direct inner awareness
_________is the school of psychology that argues that the mind consists of three basic elements - sensations, feelings, and images - that combine to form experience.
Structuralism
_________is associated with extrasensory perception.
Subliminal perception
Stimulates the pineal gland to decrease its output of melatonin once a person is awake (melatonin promotes sleep)
Suprachiasmatic nucleus (SCN)