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1. What is Agnosia? What are the types?: Defect of pattern recognition -
failure to recognize the form and nature of objects (tactile, visual, auditory,
but only one is generally affected.
Produced by dysfunction in the primary sensory area of the cerebral cortex
(tempo-occipital area).
Types:
-tacticle
-spatial
-visual
-body image
-word blindness
,-auditory
-amusia
2. What is Aphasia? Types?: Impairment of comprehension or production of
language with impaired written or verbal communication.
Results from dysfunction in the left cerebral hemisphere (Broca area) and
Wernicke area and subcortical and cortical connecting networks.
Associated with CVAs.
Types:
-expressive
-receptive
-other
3. What is Alzheimer's disease?: Nonhereditary or Late onset
Early onset (familial)
Early onset AD
,Symptoms: Mild short term to total loss of cognition, dyspraxia, problem
solving and judgement failure, visuosptal orientation, mood changes
(anxious, depression, hostile, mood swings), weight loss.
Motor changes if posterior frontal lobes are involved causing rigidity flexion
posturing.
Initial sx: forgetfulness, disorientation, confusion, and loss of ability to
concentrate.
4. Conditions associated with seizure disorders?: Conditions that can
produce: Metabolic dis-
orders, congenital malformations, genetic predisposition, perinatal injury,
postnatal trauma, myoclonic syndromes, infection, brain tumors, vascular
disease, and drug/alcohol abuse.
5. Difference between Focal (formerly partial) and Generalized seizures?:
Focal
(partial) seziure: Seizures originating from one area of the brain with AURA.
, Motor
-Tonic:
-Atonic:
-Myoclonic:
-Tonic-Clonic:
Nonmotor
-Sensory
-Cognitive
-Emotional
-Autonomic
Generalized Seizure: seizures originating in both sides of the brain
simultanisouly.
6. What is epilepsy?: Disease of the brain with at least two unprovoked
(reflex) seziures occurring more than 24 hours apart; one unprovoked (reflex)
seizure and a probabbility of further seizures within 10 years.