Axodendritic synapses result in hypopolarization or hyperpolarization of a neuron, while ______ synapses increase or decrease the release of neurotransmitter into the synapse.
A. axoaxonic
B. presynaptic
C. axosomatic
D. postsynaptic
Answer: A
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According to Thorndike, what is reinforcement?
a. The process of giving the individual something that he or she desires b. The process of placing the individual in the proper position and posture c. The process of increasing the probability of a response d. The process of facilitating activity at a particular type of synapse
When Hans Selye injected laboratory rats with saline (salty water), what happened to the rats?
A. Nothing; saline is harmless and only used as a control condition. B. Nothing; rats recover quickly from stress because they are not prone to anxiety as humans are. C. They developed ulcers, because saline has since been discovered to have negative health consequences. D. They developed ulcers, because stress directly affected their physiology.
The first consonant sound that a child makes is usually a(n)
a. p or b. b. c or k. c. t or th. d. s or z. e. m or n.
You see a sign soliciting research participants for a study involving a CT scan. When you call the researcher to inquire about the research, she tells you that a CT scan involves
a) multiple X-ray images of the brain. b) recording the brain's electrical activity. c) monitoring the metabolic activity of the brain. d) directing radio waves at the brain to cause hydrogen atoms to emit signals.