The Central Nervous System

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Presentation transcript:

The Central Nervous System Chapter 12

Embryonic Development

Embryonic Development

Embryonic Development

Ventricles of the Brain

Cerebral Hemispheres

Cerebral Hemispheres

Gray Matter versus White Matter

Cerebral Cortex

Cerebral Cortex

Cerebral Cortex: Motor and Sensory Areas

White Matter of the Cerebrum

White Matter of the Cerebrum

Basal Nuclei

White Matter of the Cerebrum

Diencephalon

Diencephalon

Brain Stem

Brain Stem

Cerebellum

Cerebellum

Limbic System

Reticular Formation

Meninges

Meninges

Cerebrospinal Fluid

Location and Circulation of CSF

Spinal Cord Anatomy

Spinal Cord Anatomy

Spinal Cord Anatomy

Ascending and Descending Tracts

Ascending and Descending Tracts

Ascending and Descending Tracts

CNS Physiology Brain Wave Patterns Consciousness Sleep and Sleep-Awake Cycles Memory

Brain Wave Patterns

Consciousness Alertness Drowsiness or lethargy Stupor Coma

Sleep and Sleep-Awake Cycles

Memory Storage and retrieval of information Two distinct stages of memory Short-term memory (STM) Long-term memory (LTM) Factors affecting transfer from STM to LTM

Memory Processing

Memory Processing

Memory Processing

Homeostatic Imbalances of the CNS Epileptic Seizure Fainting (syncope) Concussion Coma CVA Paralysis Cerebral palsy Amnesia Narcolepsy Insomnia Sleep apnea Meningitis Encephalitis Poliomyelitis Hydrocephalus Microencephaly Anencephaly Spina bifida Alzheimer’s Disease Parkinson’s Disease Huntington’s Disease

Hydrocephalus

Spina Bifida

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