Psychology 101: Introductory Psychology
Fall 2006--Professor Fong
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Below are the short answer questions from Midterm #2 in Fall 2005. The
point totals for each question (and each part of the question) are presented
within the square brackets. The answers to these short answer questions
are now available by clicking here.
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1. a) What is a teratogen? (1
sentence)
[7] [1]
b) Teratogens cause considerable
damage during this period of time after conception:
[2] _______
to _______ weeks after conception
b) Why? What is going on in
fetal development during that time? (1-2 sentences)
[2]
c) During migration of brain
cells to their location, alcohol affects the migration of
[1] the
brain cells in what way? (1 sentence)
d) During migration of brain
cells to their location, radiation affects the migration of the
[1] brain
cells in what way? (1 sentence)
e) BONUS: What is the name of
the specialized cells in the brain that help the migration
[+1] of
neurons in the brain to their destination? (2 words) _______________________
2. a) The name for the kind of
memory that Sperling (1960) studied by his famous
[4] [1] partial
report technique was known as:
_________________________ (1 or 2 words)
b) About how long does this kind
of memory last? (you must be precise): _____________
[1]
c) Why is the full-report
technique so poor at studying this kind of memory (1 sentence)
[2]
3. a) Describe the dichotic
listening task (2-3 sentences)
[4] [3]
b) What kinds of information are
particularly likely to be noticed even when presented
[1] in
the unattended channel (2-3 words or 1 sentence)
4. a) What part of the brain is
responsible for circadian rhythms? (2 words)
[3] [1]
__________________________________________________
b) How does amount of REM sleep
change as the human infant grows to adulthood?
[1] _______________________________
(one word)
c) How does amount of REM sleep
change as you rise in the evolutionary ladder?
[1] _______________________________
(one word)
5. a) What are REM-on cells?
(1 sentence)
[3] [1]
b) BONUS: Where are
REM-on cells located? (This is BONUS: so you must be specific)
[+1]
c) What is the neurotransmitter
associated with REM-on cells? (one word)
[1]
c) What are REM-off
cells? (1 sentence)
[1]
d) BONUS: Where are
REM-off cells located? (Again, you must be specific here).
[+1]
6. What
is the blindsight phenomenon? (1-2 sentences)
[3]
7. Describe
how one could use classical conditioning to help cure enuresis (bedwetting).
[6] You must label all of the
elements (identify the types of stimulus and response) and
describe
the sequence of events.
8. a)
What kind of reinforcement is most resistant to extinction? ______________________
[2] [1]
b) Name one situation in life (I
mentioned two) in which this kind of reinforcement
[1) is
relevant.
9, At
what time of day should you see the dentist if you are going to have a cavity
filled
[2] and you need anesthesia
(assuming that you don't want it to hurt)?