ALTERATIONS OF THE CENTRAL NERVOUS SYSTEM

Jan 30, 2013

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Parkinson's Disease. Parkinson's Disease (PD) -progressive neurodegenerative disease affecting motor ability -third most common neurologic disorder of older adults. TYPES/POPULATION AT RISK. Population at risk: Male> Female Two types 1) 21- 40 yrs. of age (young onset)

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ALTERATIONS OF THE CENTRAL NERVOUS SYSTEM

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The Central Nervous System

The Central Nervous System. Chapter 12 - The Central Nervous System. I. Brain and Embryonic Development 1. Central Nervous System (CNS) begins 18th day 2. Ectoderm of embryo thickens, folds, forms a neural tube 3. Becomes brain and spinal cord 4. Ends in a 3 pound structure.

1.08k views • 56 slides

The Central Nervous System

The Central Nervous System. CNS. CNS: brain and spinal cord Necessary for the maintenance of homeostasis Contains 10 11 neurons Contains 10 14 synapses Responsible for everything we perceive, do, feel, and think. The Brain. BRAIN MATTER AND CEREBROSPINAL FLUID CEREBRUM

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ALTERATIONS IN THE CENTRAL NERVOUS SYSTEM

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ALTERATIONS IN THE NERVOUS SYSTEM

Cerebrovascular Accident Goals for Management. CT Scan

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The Central Nervous System

The Central Nervous System. Brain and spinal cord. Features of the CNS. Sensory input Motor output Association neurons connect the two. Nervous tissue develops from ectoderm. Sequence of brain development. Ventricles and central canal are filled with CSF.

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The Central Nervous System

The Central Nervous System. Year 12 Psychology Unit 3 – The Conscious Self Area of Study 1: Mind, Brain and Body Chapter 4 (pages 177 to 270) PART 1 – Brain Structure , Aphasias. The brain. Think, Think… True or False?. Bigger brains are smarter brains.

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The Central Nervous System

The Central Nervous System. Neuron. The basic functional unit of the CNS Exhibits excitability Exhibits conductivity . Synapse. The microscopic gap separating neurons. Neurotransmitters.

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The Central Nervous System

The Central Nervous System. Central nervous system – the brain and spinal cord Directional terms unique to the CNS Rostral – toward the nose Caudal – toward the tail. Embryonic Development of the Brain. Figure 13.2a-e. Embryonic Development of the Brain. Figure 13.2a-e.

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The Central Nervous System

The Central Nervous System. Cellular Responses to Injury. Reactions of neurons to injury Acute neuronal injury – “red neurons” Subacute and chronic neuronal injury – degeneration Axonal reaction – regeneration Neuronal inclusions. Cellular Responses to Injury.

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The Central Nervous System

12. P A R T A. The Central Nervous System. Central Nervous System (CNS). CNS – composed of the brain and spinal cord Cephalization Elaboration of the anterior portion of the CNS Increase in number of neurons in the head Highest level is reached in the human brain. The Brain.

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The Central Nervous System

The Central Nervous System. Overview of the central nervous system Meninges, ventricles, cerebrospinal fluid & blood supply Spinal cord Hindbrain and midbrain Forebrain Higher brain functions. Brain Description. Brain weighs 3 to 3.5 pounds

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The Central Nervous System

The Central Nervous System. CNS. Meninges of the Brain. Dura Mater (HARD MOTHER) - outer layer, strong white fibrous tissue. Arachnoid membrane (SPIDER WEB) - middle layer, cobweb like layer. Pia Mater (SOFT MOTHER)-inner layer, adheres to the brain, translucent. Divisions of Meninges.

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The Central Nervous System

The Central Nervous System. Chapter 12 Marieb. Central Nervous System (CNS). Composed of the brain and spinal cord Spinal Cord Central cavity surrounded by a gray matter core External to which is white matter composed of myelinated fiber tracts Brain

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THE CENTRAL NERVOUS SYSTEM

CHAPTER # 12(c). THE CENTRAL NERVOUS SYSTEM. Functional Brain Systems. Networks of neurons that work together and span wide areas of the brain Limbic system Reticular formation. Limbic System. Structures on the medial aspects of cerebral hemispheres and diencephalon

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ALTERATIONS IN THE CENTRAL NERVOUS SYSTEM

ALTERATIONS IN THE CENTRAL NERVOUS SYSTEM. Exemplar Cerebrovascular Accident(CVA) Introduction to CVA / Stroke Prevention. Stroke (Brain Attack). Definition -Blood flow interrupted to an area of the brain -Ischemia to the part of the brain -Bleeding into brain tissue

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ALTERATIONS OF THE CENTRAL NERVOUS SYSTEM

ALTERATIONS OF THE CENTRAL NERVOUS SYSTEM. EXEMPLAR OF MULTIPLE SCLEROSIS INTRODUCTION AND ASSESSMENT. Multiple Sclerosis. Definition -chronic, autoimmune neurologic disease -affects myelin sheath -etiology: unknown. Four Classifications. Relapsing-remitting (RRMS) most common

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ALTERATIONS OF THE CENTRAL NERVOUS SYSTEM

ALTERATIONS OF THE CENTRAL NERVOUS SYSTEM. Pediatric Disorders. Cerebral palsy. Cerebral Palsy(CP)is characterized by: - impaired movement & posture -lack of motor control over voluntary muscles -r/t lesions in the brain. Cerebral Palsy. Population at risk:

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The Central Nervous System

The Central Nervous System. Objectives. Describe the functions of the different areas of the brain. Distinguish between different types of memory and describe the roles of different brain regions in memory. Describe the location of the hypothalamus and explain the significance of this region.

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ALTERATIONS OF THE CENTRAL NERVOUS SYSTEM

ALTERATIONS OF THE CENTRAL NERVOUS SYSTEM. Assessment of a CVA F.A.S.T F ace A rms S peech T ime * *http://www.stroke.org/site/News2?page=NewsArticle&id=9015&news_iv_ctrl=1222. Cerebrovacular Accident Neurological Assessment. Cognitive Motor Sensory Cranial Nerve Function

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ALTERATIONS OF THE CENTRAL NERVOUS SYSTEM

ALTERATIONS OF THE CENTRAL NERVOUS SYSTEM. SEIZURES AND EPILEPSY. SEIZURE . Episodes of abnormal sudden, excessive, uncontrolled electrical discharge of neurons within the brain May result in alteration in consciousness, motor or sensory ability and/or behavior. CAUSE OF SEIZURES.

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Alterations of the Peripheral Nervous System

Alterations of the Peripheral Nervous System. Myasthenia Gravis Introduction. Myasthenia Gravis. Definition: -chronic, immune neurological disease -defect in transmission of nerve impulses at the neuromuscular junction -antibodies attack acetylcholine receptors.

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The Central Nervous System

The Central Nervous System. PART 1. Central Nervous System. Brain Spinal Cord. Directional Terms of the Central Nervous System. Directional terms unique to the CNS Rostral – toward the nose (anterior) Caudal – toward the tail (posterior) Dorsal – superior Ventral - inferior.

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