Consciousness Flashcards
Conscious
Being aware of things in the world
Phenomenal consciousness
Being able to experience something
Quale of redness
Experience of perception on redness
Types of consciousness
General consciousness-General condition for consciousness and mental state
Specific consciousness- neural state needed for consciousness
The hard problem
The problem of how to explain how neurones make use conscious
Thomas Nagel
Consciousness cannot be explained in a objective way
No way for human to know what a bat is
Dan Dannet
No hard problem neurones are responsible for consciousness
Offline Processing
Aperceptive agnosia
Dorsal and ventral streams of vision do not work patients can see but cannot recognise or categories objects
Caused by lesions
Blindsight
People who can’t see but who can tell someone who is sitting beside them moods
They can also sense movement with no visual field
TMS induced blindsight
Visual cortex stimulated to have blindsight
Alien hand syndrome
Stroke causes damage in the brain and voluntary control of hand is lost
Shows you can be unconscious in parts of self
Epilepsy
Epilepsy causes slowing down of EEG and blood flow is less leading to unconsciousness due to spread of less oxygen In the sub cortical regions
Wegner’s hypothesis
Measuring cortical potentials when participants asked to consciously stop hand over a mark started
Subconscious mind and conscious mind lead to acr=tion
Emergent Phenomena
It is a product of the entire system and many levels contribute.
Complicated things that occur from simple rules
