Chapter 1
Which of the following best defines psychology?
The scientific study of behavior and mental processes
The scientific method begins with:
Making observations
The basic building block of the nervous system is the:
Neuron
Sensation refers to:
The process of detecting stimuli
Circadian rhythms are controlled by the:
Suprachiasmatic nucleus
Who is considered the “father of psychology” for establishing the first psychology lab?
Wilhelm Wundt
A variable that is manipulated in an experiment is the:
Independent variable
The part of the neuron that sends messages is the:
Axon
The minimum amount of stimulation needed to detect a stimulus is the:
Absolute threshold
REM sleep is associated with:
Dreaming and brain activity
Which perspective focuses on unconscious drives and early childhood experiences?
Psychodynamic
Which type of research is best for showing cause-and-effect?
Experiment
Which neurotransmitter is linked to movement and Parkinson’s disease?
Dopamine
Which theory explains how we perceive colors with three different types of cones?
Trichromatic theory
Sleep deprivation has been linked to:
Impaired attention and learning
The humanistic perspective emphasizes:
Free will and personal growth
The group that receives no treatment or a placebo in an experiment is called:
Control group
The sympathetic nervous system is responsible for:
Fight or flight
The blind spot occurs where:
The optic nerve exits the eye
Which sleep disorder involves sudden attacks of sleep?
Narcolepsy
Which of the following psychologists is associated with functionalism?
James
A correlation coefficient of -0.80 indicates:
A strong negative relationship
The brain’s two hemispheres are connected by the:
Corpus callosum
Which sense is most closely tied to memory?
Smell
Psychoactive drugs affect:
Consciousness, perception, and mood