Healthy brain

Question 1

Heritability of BFPT

Answer 1

Openness to experience 57%
Conscientiousness 49%
Extraversion 54%
Agreeableness 42%
Neuroticism 48%

Question 2

Openness to experience

Answer 2

Inventive/curious vs consistent/cautious

Question 3

Conscientiousness

Answer 3

Efficient/organized vs easy-going/reserved

Question 4

Extraversion

Answer 4

Outgoing/energetic vs solitary/reserved

Question 5

Agreeableness

Answer 5

Friendly/compassionate vs challenging/detached

Question 6

Neuroticism

Answer 6

Sensitive/nervous vs secure/confident

Question 7

Hormones

Answer 7

Hypothalamus controls pituitary gland.
Influence gene expression, alternate amount and mix of proteins
Altered function
Altered behaviour

Question 8

ANS - sympathetic

Answer 8

Noradrenaline - arouses the body for action, fight or flight

Question 9

ANS - parasympathetic

Answer 9

Acetylcholine - calms the body down, rest and digest

Question 10

Stress system

Answer 10

Fast acting pathway sends off epinephrine for immediate response.
Slow acting pathway sends off cortisol

Question 11

Cortisol

Answer 11

Sustained levels of cortisol lead to tension, stress, threat, depression, harmful effects to the cardiovascular system and brain, suppression of the immune system

Question 12

LTP

Answer 12

increase in synaptic strength following high-frequency stimulation of a chemical synapse
-Results in stronger electrical responses

A synapse is stimulated repeatedly - more dendritic receptors - more neurotransmitters - a stronger link between neurons