Psychology Test 1
For a typical neuron, what is the threshold potential?
-55 mV
A neuron's resting potential is ______ mV
-70
An action potential takes about ______ to complete.
1 ms
An advertisement for a new drug therapy is eye catching. The advertisement claims that the drug will counteract the symptoms of Alzheimer's disease. The drug potentially works by acting as a(n):
Acetylcholine agonist
It's not possible to fire a gun softly or flush a toilet halfway. Like an action potential, gunfire and a toilet'a flush follow the _____ law.
All-or-none
Action potentials travel from the:
Axon hillock, down the axon to the terminal buds.
Terminal buds are found at the ends of:
Axons
A growing number of attorneys are submitting _____ in court as legal evidence that demonstrates a psychological disturbance.
Brain scans
The majority of neurotransmitters across the synaptic gap and latch onto receptor sites of the receiving neurons:
Dendrite
Ablation, a very early technique, studied the brain by:
Destroying parts of a living animal brain to determine a loss of function.
If the goal of a neuroscience research project is to map neural connections, what technique will need to be included on the protocol application submitted to the Institutional Review Board (IRB)?
Diffusion spectrum imaging
Action potentials are ______ signals ______ neurons.
Electrical;within
Brent is participating in an experiment in a cognitive neuroscience lab on campus. He silently reads rapid sequences of words flashed on a computer screen. Simultaneously, the electrical activity of his brain is recorded through skull electrodes. The brain scanning technique used in this study is:
Electroencephalogram (EEG)
A personality questionnaire is most likely used in naturalistic observation research.
False
A psychologist evaluating the success of a substance abuse program is conducting basic research.
False
A research assistant does not know whether she is administering a placebo or an anti-anxiety pill to a given participant, she is therefore assisting in a single-blind study.
False
Case studies allow cause-and-effect conclusions.
False
Crack is a form of methamphetamine.
False
Cyndi is experiencing sleep paralysis when she abruptly loses muscle tone and collapses.
False
Margaret Floy Washburn is seen by many as a "founding mother" of the sociocultural perspective in psychology.
False
More than one-half of American high school students have tried marijuana by the time they graduate.
False
Narcolepsy is a symptom of cataplexy.
False
Psychology's earliest two schools were structuralism and humanism.
False
REM episodes lengthen as the night progresses.
False
Rosalie's doctor prescribed a drug to limit her nausea during chemotherapy. This drug is probably ketamine.
False
Sophia is experiencing an ever-changing flow of distracting thoughts as she tries to begin an assignment; this aspect of consciousness was highlighted by Titchener.
False
The majority of a typical night's sleep is spent in REM sleep.
False
To control a variable means to measure it.
False
When Kurt drinks a cup of coffee and smokes a cigarette, he consumes two depressants.
False
Dr. Thomas is preparing to conduct a research study on individuals with traumatic brain injuries. In order to document the extent of injury, subjects will undergo brain imaging at the start of the study. If Dr. Thomas is interested in documenting structural damage to the brain, which imaging techs should she use for the study?
Magnet resonance image (MRI)
Specialized cells that communicate with each other through electrical and chemical signals are called:
Neurons
At this very moment, ______ are relating signals across the synapses in your brain.
Neurotransmitters
Are a secretive person? How high is your self-esteem? According to the 19th-century ______, the answers to these questions lie on the surface of the skull.
Phrenologists
"Roofies" are classified as depressants.
True
A scientist determining how different findings all shed light on aggression, for example, is engaged in critical thinking.
True
About 90% of Americans use caffeine in some form.
True
According to the research "Lilienfeld, Lynn, Ruscio, & Beyerstein, 2010," people become happier as they grow older.
True
Astrology is a pseudopsychology
True
Contemporary psychology's empiricism reflects Aristotle's legacy.
True
Dr. Keane investigates problem-solving strategies; she is therefore a cognitive psychologist.
True
Emphasizing evolutionary factors in explaining obesity reflects the legacy of functionalism.
True
In science, theories are often solid and well established.
True
Non-REM sleep aids in learning and memory.
True
On a scatter plot, the more dispersed the dots are vertically, the lower the correlation.
True
Psychologists typically delineate between waking consciousness and altered states of consciousness that may result from drugs, alcohol, or hypnosis.
True
Psychology is more than just the study of behavior.
True
The biological clock can readjust by about 1 to 2 hours per day.
True
The likelihood that sample results will generalize to the population spends on the representativeness of the sample.
True
We are designed to pay attention to abrupt, unexpected changes in the environment and to stimuli that are unfamiliar or especially strong.
True
When a memory researcher measures recognition accuracy in two groups, recognition accuracy is a dependent variable.
True