The Neuropathology of dementia - Ismail Flashcards
What type of disorder is Alzheimer’s Disease? (cognitive or motor)
Cognitive
What type of disorder is parkinson’s disease?
cognitive or motor
Motor
What areas f the brain degenerate in Alzheimer’s disease?
Temporal, parietal and frontal regions
What does DLB stand for?
Dementia with Lewy bodies
Give an example of cognitive and movement disorder?
Dementia with Lewy bodies
What type misfolded protein forms insoluble fibrils when they interact with one another / other cell components?
Beta Amyloid proteins
What protein normally stabilizes microtubules in neurons?
Tau proteins
What protein normally attaches to other proteins and labels them for destruction?
Ubiquitin
What abnormal proteins accumulate intracellularly?
1) Tau
2) alpha-Syncluein
3) Polyglutamine
4) Ubiquitin
What abnormal proteins accumulate extracellularly?
Amyloid
Disease of which lobes causes impaired judgement, abstract reasoning, strategic planning, emotional restraint, control of appetite and continence?
Frontal lobes
Disease of which areas of the brain causes disorders of memory and hallucination?
1) temporal lobe
2) Hippocampus
3) Amygdala
4) Limbic system
Disease of which areas of the brain is associated with receptive dysphagia and automatisms?
Temporal neocortex
Diseases of which areas of the brain leads to failure of visual sensory systems?
Occipital lobe
Diseases of which areas of the brain gives rise to impairment of visuospatial skills / integration of sensory inputs leading to sensory agnosias and apraxias?
Parietal lobe