Neuropsychology Flashcards
Global unity
I am one person in the center of one unified world
The binding problem
How is the unity of consciousness produced by the brain?
Seems to be no unified anatomical center in the brain where all the perceptual information is integrated
Apperceptive and associative Agnosia
Patient cannot recognize visual objects.
No problem with memory, general intelligence or qualia.
Apperceptive cannot copy objects while associative can.
Chromatic colors
Rainbow
Achromatic colors
Grayscale
Achromatopsia
Brain damage in V4 resulting in severe loss of color vision
Hemi-Achromatopsia
Damage to V4 in only one hemisphere, resulting in loss of color vision in one visual field.
Akinetopsia
Damage to area V5 resulting in visual motion blindness.
Movements can appear to be frozen, since you are unable to perceive movements.
Prosopagnosia
Deficit of face recognition. No problem with seeing faces, but inability to recognize them and seeing them as coherent objects.
Semantic dementia
Loss of meaningfulness of objects.
Loss of common knowledge
Neglect
Damage to right posteror parietal lobe.
Stimuli from the left side of the physical space do not reach consciousness, the left side of conscious perceptual space has disappeared and can not be attended.
Simultanagnosia
Only one object at a time can be seen.
Balint´s syndrome
Can only see one object at a time.
Patient is lost in space, cannot locate objects or interact with them
Explicit memory
Conscious experienced information, reportable content
Implicit memory
Nonconscious experienced information, guide actions and motor skills. Unable to report about it.