CNS, neurons and neurotransmitters: Practice Questions

According to the biological explanation of aggression, which brain area is primarily involved in emotional processing and the 'fight or flight' response?

Brendgen et al. (2005) conducted a study on 6-year-old twins to investigate the origins of aggression. What was one of their primary findings regarding social aggression?

In biological psychology, which part of a neuron is responsible for carrying an electrical impulse away from the cell body toward the next neuron?

A researcher conducts a correlational study on the link between testosterone levels and aggression. The resulting data shows a correlation coefficient of \( r = +0.72 \) with a significance level of \( p \le 0.05 \). What is the correct AO3 interpretation of this finding?

What type of biological rhythm is the human menstrual cycle categorized as?

According to biological research into aggression, identify the role that the pre-frontal cortex plays in regulating an individual's behavior.

Biological psychologists suggest that hormones play a significant role in human aggression.

(a) Describe the role of testosterone in aggressive behavior.
(b) Explain one strength and one weakness of using correlational research to investigate the link between hormones and aggression.

The structure of the brain is often used to explain aggressive behavior.

(a) Compare the functions of the pre-frontal cortex and the limbic system in relation to aggression.
(b) With reference to the classic study by Raine et al. (1997), evaluate the use of Positron Emission Tomography (PET) scans as a method for investigating brain abnormalities in murderers.