why have a nervous system?

Question 1

what are we aware of?

Answer 1

1. an externum (external environment)
2. capacity for action
3. attributes about ourselves (internal universe)

Question 2

hippocrates : how do we know?

Answer 2

from nothing but the brain

Question 3

ancient egyptian beliefs

Answer 3

nature relies on large forces of water (e.g. nile river) -> health of body and mind revolves around fluid

Question 4

hippocrates: what comes from the brain?

Answer 4

joys, delights, laughter and sports, and
sorrows, griefs, despondency and lamentations

Question 5

what did galen (roman surgeon) and why?

Answer 5

believed the heart was the soul
(brain receives fluid from the heart)

Question 6

historical beliefs around ventricles

Answer 6

fluid filled -> supporting egyptian beliefs?

Question 7

artistotle: what he thought and why?

Answer 7

(like galen) cardio-centric pov
1. heart moves
2. simple animals dont have brain (too small for them to see)
3. warmth = life = heart

Question 8

Arabidopsis thaliana.

Answer 8

complex genome, no NS, but moves

Question 9

Corynactis californica

Answer 9

very little NS, but still moves

Question 10

descrates: view of brain function

Answer 10

relies on fluid

Question 11

how did newtons principles relate?

Answer 11

movement of universe via mechanics

Question 12

broca

Answer 12

hurt one part of brain = defecit
(left frontal hem brain lesion)
understand speech but cant produce it

Question 13

whitehead

Answer 13

universe is elements of matter that we construct in our brain