Predicted grades
Comprehensive Questions and
Solutions Graded A+
Explain one technique used to study the brain in relation to behavior with reference to one
study. - Answer: Maguire (2000) (Taxi drivers)
Explain neuroplasticity, with reference to one study. - Answer: Draganski (2004) Juggling
Explain the effect of one neurotransmitter on human behavior, with reference to one study. -
Answer: Passamonti et al (2012) neurotransmitter - serotonin
fMRI faces,
Lowered serotonin levels cause increase in activity in the amygdala when viewing angry facial
expressions.
Also reduced connection between the prefrontal cortex over emotional reactions in the
amygdala when serotonin is low.
Explain the role of one antagonist with reference to one study. - Answer: Antonova et al. (2011)
Neurotransmitter - acetylcholine
atagonist - scopolamine, injection, spatial memory. fMRI
Explain the formation of neural networks with the use of one study - Answer: Draganski et al
(2004)
, Neural networks are interconnected groups of neurons in the brain that work together to
process and store information. Neural networks are formed and strengthened through
neuroplasticity, which is the brain's ability to change structurally and functionally in response to
experience, learning, or environmental stimulation.
Explain neural pruning with reference to one study. - Answer: Draganski et al (2004) juggling
stopped
Explain the role of one agonist with reference to one study. - Answer: Cusin et al (2013)
neurotransmitter - dopamine (agonist - parmipexole) affected people with MDD (Major
Depressive Disorder)
Explain the role of inhibitory or excitatory synapses in one behavior with reference to one study.
- Answer: Passamonti et al. 2012 (inhibitory - serotonin) One important inhibitory
neurotransmitter is serotonin, which helps regulate mood and inhibit impulsive or aggressive
behavior by reducing neural activity in certain brain regions.
Explain the effect of one hormone on human behavior with reference to one study. - Answer:
Zak - testosterone gel
Hormones are chemical messengers in the blood that affect one's behaviour.
The responder can accept (both get money) or reject (both get nothing). testosterone - more
competitive
Explain the role of one gene in one behavior with reference to one study. - Answer: Capsi et al
(2003) 5-HTT gene
to investigate whether a specific gene (5-HTT) is linked to a higher risk of depression after
experiencing stressful life events.
short long allele
Explain how genetic similarities help psychologists in the study of genes and behavior with
reference to one study. - Answer: Bouchart