Which of the following will "neutralize" the effect of an EPSP?
A. further opening a sodium channel
B. allowing intracellular anions to leave the cell
C. closing a potassium channel
D. opening a chloride channel
Answer: D
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What accounts for the absence of the extinction burst during the procedure in which the secondary reinforcer (the sound of the food magazine) is still presented but food is not?
a. The distraction provided by the sound of the magazine b. The use of a continuous reinforcement schedule prior to extinction c. The much lower rate of bar pressing that occurs once food is withheld d. Following a bar press, in order to sniff the food hopper, Sniffy moves off the bar
Which group of disorders involve actual physical conditions?
a. hypochondriasis b. somatic disorders c. psychophysiological disorders d. anxiety disorders
According to the three stages model of memory, the explanation for the recency effect in the serial position curve is that ____
a. ?the last items are still in short-term memory b. ?the middle items are still in sensory memory c. ?the first items have been transferred to long-term memory d. ?both the first and last items are still in short-term memory
Answer the following statement(s) true (T) or false (F)
In correlational studies, the researcher is interested in discovering a relationship between two variables.