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IB PSYCHOLOGY EXAM PREP QUESTIONS WITH CORRECT ANSWERS
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IB PSYCHOLOGY EXAM PREP QUESTIONS WITH CORRECT ANSWERS
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IB PSYCHOLOGY EXAM PREPQUESTIONS WITH CORRECT ANSWERS
Kasamatsu and Hirai (1999) - Serotonin - Answer-A: Investigate how sensory
deprivation affects the brain.
M: -Studied a group of Monks on a 72 hour pilgrimage to a mountain.
-The Monks were not allowed to speak, eat or drink.
-They were exposed to cold late autumn weather.
-After 48 hours, the Monks started seeing hallucinations of ancestors
and feeling their presence.
-Researchers took blood samples before and after.
R: -Found increased level of serotonin in the Monks' brain.
-Especially in the Hypothalamus and Frontal Cortex.
-Resulting in hallucination.
C: -Sensory deprivation triggered the release of Serotonin.
-Serotonin responsible for sleep, arousal level, and emotions.
Seligman (1967) - Depression - Answer-A: Prove that learned helplessness can lead to
depression.
M: -A dog was trapped in an enclosed area where the floor was lined with
electrodes.
-The experimenter would activate the electrode once in a while.
-The dog would jump over a low wall to the other side of the enclosed
area where no electrodes were on the floor.
-The experimenter raised the wall slowly until it was too high for the dog
to jump over.
-Then after a few trials, the experimenter lowered the wall again.
R: -At first dog attempted to jump wall, learned he could not and gave up.
-When the wall was lowered, the dog made no more attempts.
C: -The dog learnt that he is incapable of jumping across.
-Lead to low self esteem, depression.
E: -The dogs were not given the right to withdraw.
-Induced fear and depression into participant.
Sperry (1968) - Hemisphere Deconnection - Answer-A: -Investigate behavioral,
psychological and neurological consequences
when the left and right hemisphere of the brain is disconnected.
M: -Subjects were patients who had deconnection surgery to stop epileptic
seizures.
-Test one:
-Visual information is presented to the left or right side for 1/10th of a
second.
-Eyes will not have time to readjust hence stimulus on the right will be
received by the left hemisphere, vise versa.
, -Test two
-Present tactile stimulus to the left or right side.
-Screen is used to cover and remove visual identification.
-Stimulus felt on the left side will be received on the right hemisphere,
vise versa.
R: -Object shown on the left side will only be recognized when its shown
on the left side again, vise versa.
-Only objects shown to the right visual field can be named verbally or
written down.
-Objects shown to the left visual field cannot be named.
-If an object was felt by the left hand, it can only be recognized by the
left hand again.
C: -Brain function is localized.
-Speech and writing comprehension happens in the left hemisphere.
-Processing of image and visuals happen in the right hemisphere.
-There is a different visual perception and memory storage in each
hemisphere.
Clive Wearing, Sacks (2007) - Answer-Description:
-Damaged hippocampus.
-Caused retrograde amnesia.
-LTM damage: He can remember things 12 years before the accident.
-Memory lasts 7-30 seconds
Conclusions:
-LTM and STM stored in different places.
-Highlights interaction between cognition and physiology.
Maguire et al. (2000) - Answer-A: -Investigate the function of Hippocampus in spacial
memory.
M: -Group of right handed male taxi drivers and control group of right
handed men.
-Participants and controls were scanned with the same MRI machine.
-The amount and density of the grey matter in the hippocampus
examined.
R: -Taxi drivers have a significantly larger hippocampus.
-The volume of the hippocampus correlates with the amount of time as
a taxi driver.
C: -MRI can be used to detect the active areas of the brain.
Bartlett (1932) - Answer-A: -Prove that memory is reconstructive and schemas influence
recall.
-Demonstrate role of culture in schema processing.
M: -Participants were European Americans and Native Americans.
-Bartlett ask participants to read a Native American folk story
twice.
-Then asked them to recite reproduce the story 15 minutes
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