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What abnormality leads to Parkinson's disease?
loss of substantia nigra cells, as in Parkinson's disease, increases blocking of the thalamic nuclei, preventing them from sending signals to the motor cortex. The result is a loss of movement
What results in either too much or too little movement as exemplified by Huntington's disease and Parkinson's disease?
Disorders of the _________result in either too much or too little movement, as exemplified by Huntington's disease and Parkinson's disease
What is the gray matter on the surface of the brain called?
Grey matter is distributed at the surface of the cerebral hemispheres (cerebral cortex) and of the cerebellum (cerebellar cortex), as well as in the depths of the cerebrum (thalamus; hypothalamus; subthalamus, basal ganglia - putamen, globus pallidus, nucleus accumbens; septal nuclei), cerebellar (deep cerebellar nuclei - dentate nucleus, globose nucleus, emboliform nucleus, fastigial nucleus), brainstem (substantia nigra, red nucleus, olivary nuclei, cranial nerve nuclei) and spinal grey matter (anterior horn, lateral horn, posterior horn).
What is the nuclei deep within the cerebral hemisphere white matter are collectively?
basal ganglia
Increased production of acetylcholine by neurons in cerebral nuclei would result in what?
Spastic, uncontrollable muscle contractions
What is nuclei deep within the cerebral hemisphere white matter are collectively called?
basal ganglia
What is a basal ganglion?
A basal ganglion is any of a group of nuclei in the brain interconnected with the cerebral cortex, the thalamus and the brainstem.
Do chemical reactions result in the nuclei of the atoms involved?
No, chemical reactions result only in the electrons of the atoms being involved. Only radioactivity results n nuclei of atoms being involved.
Condensation nuclei are involved in the formation?
cloud droplets
Which thalamic nuclei are involved in emotion?
medial dorsal and lateral
Which parts of the brain is involved in regulation of nystagmus?
Vestibular nuclei
What is the name of disease results from problems with the basal nuclei resulting in difficulties with voluntary movements?
Huntington's disease
