Part 2

Question 1

what are the main functions of the reptilian brain (brain stem)

Answer 1

• performs primitive and basic behaviors in order to sustain life
• regulates information transfer between our spinal cord and between brain hemispheres
• this allows us to perform autonomous functions and fine motor movements

Question 2

What are the three parts of the brain stem?

Answer 2

• medulla oblongata
• pons
• midbrain

Question 3

What are the main functions of the neocortex?

Answer 3

• influencing sleep
• processing and storing memories
• high order brain processing:
• sensory perception
• motor commands
• conscious thought

Question 4

what is the neocortex made up of?

Answer 4

• cerebral tissue

- grey matter

Question 5

What are the 4 lobes that make the neocortex?

Answer 5

• frontal
• parietal
• occipital
• temporal

Question 6

What are the main functions of the limbic system?

Answer 6

• plays a role in learning
• regulates our emotions and motivations for activities like reproduction, eating, and attachment
• influences endocrine and autonomous nervous system
• no concept of time and acts irrationally

Question 7

What are the two divisions of the autonomous nervous system?

Answer 7

• sympathetic

- parasympathetic

Question 8

What are the main functions of the autonomous nervous system?

Answer 8

-reacts to an environment by controlling unconscious bodily process

Question 9

What does the sympathetic nervous system do?

Answer 9

• is activated in threatening situations to protect us

- activates the fight or flight response

Question 10

What does the parasympathetic nervous system do?

Answer 10

• counteract the effects of the fight or flight response

- calms us down

Question 11

What parts of the brain causes the activation of the stress response?

Answer 11

• Amygdala

- hypothalamus

Question 12

What happens when the stress response is activated?

Answer 12

• amygdala perceives a situation as threatening
• sends a distress signal to the hypothalamus
• the hypothalamus stimulates the adrenal and pituitary gland
• this releases adrenaline and activities the sympathetic nervous system

Question 13

What happens when the amygdala continues to perceive a situation as a threat?

Answer 13

• the hypothalamus will release hormone ACTH
• causes adrenal glands to release cortisol
• more blood sugar to cope with longterm stressors