Neuroscience of conscious state

Question 1

Quoted definition of NCC by David Chalmers?

Answer 1

“An NCC is a minimal neural system N such that there is a mapping from states of N to states of consciousness, where a given state of N is sufficient, under conditions C, for the corresponding state of consciousness.”

Question 2

What is a BIS monitor?

Answer 2

a device used in hospitals to assess the depth of sedation or anaesthesia by measuring brain activity through EEG signals, providing a numerical score from 0 to 100 indicating the level of consciousness

Question 3

What is the two leading ideas of where consciousness resides?

Answer 3

Global workspace theory - specialised modules send messages into a vast network where they compete for dominance and the winner is broadcast and enters consciousness

Integrated information theory - many interconnected modules and they are situated in the back of the brain

Question 4

what is the brain wave and Hz of being fully conscious?

Answer 4

• Gamma waves 30-100Hz

Question 5

What is the role of the thalamus and the thalamo-cortical loop in consciousness

Answer 5

• Projecting sensory information into the cortex
• Integrates multi-sensory information

Question 6

role of the claustrum

Answer 6

• thin layer just beneath the cortex and is important for high level information

Question 7

WHat is the order of waves and aletrness

Answer 7

• Beta - awake
  Alpha - drousy
  theta - sleep
  stage 3/4 sleep - delta