Neurology-1

Neurology-1

Lissencephaly

Lissencephaly is a congenital malformation in which
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Normal pattern of sulci fails to develop

Gyrencephalic Brain

What is a gyrencephalic brain?
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Normally sulcated brain is called gyrencephalic brain

What is lentiform nuclei?

What is lentiform nuclei?
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Putamen and globus pallidus together are shaped like a lens, hence the term lenticular or lentiform nuclei

Basal ganglia

Basal ganglia consists of -
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Basal ganglia includes Caudate, putamen, and globus pallidus Subthalamic nucleus and substantia nigra

Dysfunction of nonmotor circuits of the basal ganglia

Dysfunction of nonmotor circuits of the basal ganglia has been implicated in which disorder?
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Tourette’s syndrome and obsessive compulsive disorder

Which structure lies between the two thalami?

Which structure lies between the two thalami?
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Third ventricle lies between the two thalami

Dorsal aspect of the thalamus forms the floor of -

Dorsal aspect of the thalamus forms the floor of -
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lateral ventricle

Thalamic syndrome (DejerineRoussy) is characterized by

Thalamic syndrome (Dejerine Roussy) is characterized by
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contralateral hemianesthesia and pain due to infarction of the thalamus.

Tonsils are herniated below the foramen magnum due to which congenital anomaly ?

In which condition Cerebellar Tonsils are herniated below the foramen magnum due to congenital anomaly
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Arnold-Chiari malformation, Tonsils are herniated below the foramen magnum due to congenital anomaly and is not due to increased intracranial pressure

What are the lobes of cerebellum?

What are the lobes of cerebellum?
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Cerebellum is divided into three lobes: anterior, posterior, and flocculonodular lobe

Which lobe of cerebellum is phylogenetically the oldest?

Which lobe of cerebellum is phylogenetically the oldest?
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Flocculonodular lobe - is phylogenetically the oldest, and is referred to as the archicerebellum

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