According to the all-or-none law, ____
a. all neurons produce an action potential at the same time or none at all
b. all of the extracellular sodium enters the axon, or none at all
c. once an axon reaches threshold, the amplitude and velocity of an action potential are nearly equal each time
d. neurons are either active all the time or not at all
c
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Binet's test was introduced to the United States by Terman
a. True b. False
Your success in remembering information from long-term memory depends partly on:
a. how the information was encoded b. the storage capacity of long-term memory c. the storage capacity of short-term memory d. how the information was retrieved
Slightly more than 1/3 of us will experience a psychological disorder in any given year
Indicate whether the statement is true or false
Studies of group therapy have found that it is ____
a. ?not as effective as most other forms of therapy b. ?effective for some disorders c. ?more effective than psychodynamic therapy, but not as effective as cognitive therapy d. ?more effective than most other forms of therapy