probs of consciousness returns Flashcards

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1
Q

binding problem

A

How does the brain unify all the individual pieces to feel like one continuous experience?

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2
Q

*Neural correlates of consciousness (NCC)

A

Attempts to find the brain regions and patterns of
activity that correspond to conscious experiences

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3
Q

Neuronal assemblies

A

Networks of neurons that fire at the same rate and frequency

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4
Q

Gamma Oscillations

A

oscillate a certain frequency
* About 40 Hz (40 cycles/per second)
* The electric signal can back-propagate

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5
Q

default mode network

A

A network of connected brain area that are most commonly active while conscious

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6
Q

brain areas involved in DMN

A
  • Medial Prefrontal Cortex (MPFC): info abt self
  • Dorsolateral Prefrontal Cortex (DLPFC): feelings of control over actions
  • Temporal-Parietal Junction (TPJ): attention
  • Hippocampus: memories
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7
Q

“perturbational complexity”

A
  • Neuroscience can measure the complexity needed to create conscious states, measured using TMS
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8
Q

importance of perturbational complexity

A

determine whether people in comas or
persistent vegetative states (i.e. brain dead) are having conscious experiences

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9
Q

Libet’s study of Free Will

A

Brain prepares to move before conscious awareness of deciding to move

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10
Q

delay of consciousness

A

Your brain takes a bit of time to convert sensory inputs
into conscious experiences

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11
Q

libet’s experiment

A

direct stimulation of somatosensory cortex and direct stimulation of skin ; <500ms no feeling, >500ms feeling

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12
Q

Neuronal Adequacy

A

Sensory experiences only become conscious if the sensory cortex is active for at least 500ms

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13
Q

subjective backdating

A

Perceptions of time may not match true measurements of time

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