'Basal nuclei' diaporamas de présentation

NERVOUS SYSTEM

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Chapter 14

Chapter 14. The Brain and Cranial Nerves. The cranial nerves. CN I CN II CN III CN IV CN V CN VI CN VII CN VIII CN IX CN X CN XI CN XII. Olfactory Optic Occulomotor Trochlear Trigeminal Abducens Facial Accoustic Glossopharyngeal Vagus Spinal Accessory Hypoglossal. On

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Basal Nuclei (Ganglia)

Basal Nuclei (Ganglia). Basal nuclei A pplied to a collection of masses of gray matter situated within each cerebral hemisphere. They are paired and located between thalamus and white matter . Consists of 5 pairs of nuclei: These are: Caudate nucleus Putamen Globus pallidus

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Chapter 15

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Chapter 12 & 13 The Brain and Cranial Nerves

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The brain

The brain. Anatomy & Physiology. Brain: unremarkable appearance ~ 3 lbs 4 major regions. 1. Cerebral Hemisphere. right & left connected by large fiber tract: corpus callosum cover most of other 3 parts

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Sensory Areas

Sensory Areas. Primary _ Somatosensory association cortex Visual and _ Olfactory, ___________________________, and vestibular cortices. PrImary Somatosensory Cortex. Located in the postcentral gyrus , this area: Receives information from the _ Exhibits _. Somatosensory Association Cortex.

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12

12. The Central Nervous System: Part B. Lateralization of Cortical Function. Lateralization Division of labor between hemispheres Cerebral dominance Designates the hemisphere dominant for language (left hemisphere in 90% of people). Lateralization of Cortical Function. Left hemisphere

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12. The Central Nervous System: Part B. Lateralization of Cortical Function. Lateralization Division of labor between hemispheres Cerebral dominance Designates the hemisphere dominant for language (left hemisphere in 90% of people). Lateralization of Cortical Function. Left hemisphere

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DESCENDING TRACTS

DESCENDING TRACTS. Fiber Types. A Fibers: Somatic, myelinated. Alpha ( ? ): Largest, also referred to as Type I. Beta ( ? ): Also referred to as Type II. Gamma ( ? ): Delta ( ? ): Smallest, referred to as Type IV. Fiber Types. B Fibers: Lightly myelinated.

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Brain Jeopardy

Brain Jeopardy. Needed: 3 or 4 players 1 Scorekeeper 1 watcher . Brain Jeopardy. The entire population of neuron cell bodies on the surface of the brain are referred to as the cerebral _______ .

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12. The Central Nervous System: Part B. Lateralization of Cortical Function. Lateralization Division of labor between hemispheres Cerebral dominance Designates the hemisphere dominant for language (left hemisphere in 90% of people). Lateralization of Cortical Function. Left hemisphere

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The Nervous System

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1. Surface landmarks of skull

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Midbrain (mesencephalon)

Midbrain (mesencephalon). Cerebellum. Subconscious skeletal muscle mvmt. Equilibrium and balance. Functions. Evaluate how cerebrum initiated movements are being executed Coordinates skeletal muscle contractions Posture & balance Cognition and language processing See table 14.2.

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Evolution of the Brain

Evolution of the Brain. Ontogeny recapitulates phylogeny? Ontogeny of brain is rapid. Mirrors what we see in the evolutionary history of the vertebrates. Begins as an expanded neural tube Has Olfactory, Optic, and Otic lobes.

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The Cerebrum

The Cerebrum. pp. 235-240. Cerebrum Diencephalon. Brain stem Cerebellum. Four Major Regions of the Brain. The Cerebrum. Gyrus Sulcus Fissure. Transverse fissure. Longitudinal fissure. Longitudinal fissure. Lobes. Frontal Parietal Temporal Occipital. Longitudinal fissure.

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Basal ganglia disease : causes, symptoms, treatment and diagnosis

Basal ganglia disease refers to a group of physical dysfunctions that occur when the group of nuclei in the brain known as the basal ganglia fail to properly initiate movements.

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