Q-1 What is the difference btw Basal ganglia and Cerebellum?
Ans:Basal Ganglia:
1-Oreintation
2-Emotions works in relationship with Limbic system
3-Recognition and performance (movements) "brake hypothesis"
Cerebellum:
1-The cerebellum is involved in the coordination of movement
2-The cerebellum is also partly responsible for motor learning, such as riding a bicycle.
3-Equlibrium
Q-2 Histological difference btw Cerebrum and Brain stem?
Ans:Cerebral cortex contain Non-spiny simple neurons (non-myelinated) 20% Sensory neurons 28% Motor neurons
Basal ganglia contain Spiny motor neurons (Myelinated) 80% Motor neurons 20% sensory neurons
Q-3 Neurological Disorders
Ans: Cerebrum: ALzheimer's disease(formation of plaques)(Dimentia)
Thalamus: Asphasia, lesions lead to loss of all sensation,astereognosis
Basal ganglia:Parkinsons disease,Huntingtons Cholera
Cerebellum:Deficit
Manifestation：——————————————————————————
Ataxia(lack of order)
Reeling, wide-based gait
Decomposition of movement
Inability to correctly sequence fine, coordinated acts
Dysarthria
Inability to articulate words correctly, with slurring and inappropriate phrasing
Dysdiadochokinesia
Inability to perform rapid alternating movements
Dysmetria(lack of measurement)
Inability to control range of movement
Hypotonia
Decreased muscle tone
Nystagmus
Involuntary, rapid oscillation of the eyeballs in a horizontal, vertical, or rotary direction, with the fast component maximal toward the side of the cerebellar lesion
Scanning speech
Slow enunciation with a tendency to hesitate at the beginning of a word or syllable
Tremor
Rhythmic, alternating, oscillatory movement of a limb as it approaches a target (intention tremor) or of proximal musculature when fixed posture or weight bearing is attempted (postural tremor)
Ans:Basal Ganglia:
1-Oreintation
2-Emotions works in relationship with Limbic system
3-Recognition and performance (movements) "brake hypothesis"
Cerebellum:
1-The cerebellum is involved in the coordination of movement
2-The cerebellum is also partly responsible for motor learning, such as riding a bicycle.
3-Equlibrium
Q-2 Histological difference btw Cerebrum and Brain stem?
Ans:Cerebral cortex contain Non-spiny simple neurons (non-myelinated) 20% Sensory neurons 28% Motor neurons
Basal ganglia contain Spiny motor neurons (Myelinated) 80% Motor neurons 20% sensory neurons
Q-3 Neurological Disorders
Ans: Cerebrum: ALzheimer's disease(formation of plaques)(Dimentia)
Thalamus: Asphasia, lesions lead to loss of all sensation,astereognosis
Basal ganglia:Parkinsons disease,Huntingtons Cholera
Cerebellum:Deficit
Manifestation：——————————————————————————
Ataxia(lack of order)
Reeling, wide-based gait
Decomposition of movement
Inability to correctly sequence fine, coordinated acts
Dysarthria
Inability to articulate words correctly, with slurring and inappropriate phrasing
Dysdiadochokinesia
Inability to perform rapid alternating movements
Dysmetria(lack of measurement)
Inability to control range of movement
Hypotonia
Decreased muscle tone
Nystagmus
Involuntary, rapid oscillation of the eyeballs in a horizontal, vertical, or rotary direction, with the fast component maximal toward the side of the cerebellar lesion
Scanning speech
Slow enunciation with a tendency to hesitate at the beginning of a word or syllable
Tremor
Rhythmic, alternating, oscillatory movement of a limb as it approaches a target (intention tremor) or of proximal musculature when fixed posture or weight bearing is attempted (postural tremor)
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