IB Psych: Hormones & Animal Research Ethics

What is testosterone primarily responsible for in males?

• Memory storage

• Growth of hair

• Secondary sex characteristics and aggression

• Immune system functioning

What is the main function of hormones in the body?

• Fight off disease

• Transport nutrients

• Act as chemical messengers

• Store fat

Which part of the brain is activated by testosterone during social threat perception?

• Hippocampus

• Amygdala

• Cerebellum

• Temporal lobe

What did the study by Albert et al. (1986) demonstrate?

• Brain lesions cause aggression

• Castration reduces testosterone and aggression in rats

• fMRI can detect criminal behavior

• Teenagers have higher testosterone

What is one function of the amygdala?

• Control motor skills

• Regulate sleep patterns

• Perceive threats and trigger emotion

• Coordinate balance

What method was used in Goetz et al.’s study on testosterone?

• Case study

• fMRI scan while viewing faces

• Marshmallow test

• Naturalistic observation

What effect did testosterone have in Radke et al.'s study?

• Decreased activity in the PFC

• Increased amygdala activity when approaching angry faces

• Enhanced memory for violent words

• Reduced cortisol levels

Which hormone is part of the fight-or-flight response along with testosterone?

• Oxytocin

• Dopamine

• Adrenaline

• Serotonin

What does the "Replacement" principle in the 3 R’s of animal research suggest?

• Use humans instead of animals

• Replace one animal with another

• Replace animal models with alternatives like computer models

• Replace cages regularly

In animal studies, what does "Reduction" aim to achieve?

• Reduce the number of researchers

• Reduce the amount of data collected

• Reduce the number of animals used

• Reduce the amount of food given