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Path Nervous System

Pathologies of the Nervous System

TermDefinition
Seizure Disturbances in electrical brain activity, resulting in temporary brain dysfunction
Spinal cord injury Trauma or compression of spinal cord; impairs nerve transmission, affecting sensation, voluntary movement, and autonomic functions
Attention deficit-hyperactivity disorder Neurologic disorder in which the affected person displays behavior associated with inattentiveness, hyperactivity, impulsivity, or a combination
Autism describes a groupof complex developmental disorders characterized byproblems with interpersonal interaction, communication,and learning
Alzheimer's Progressive, degenerative disease that impair intellect and social abilities enough to interfere with daily functioning
Parkinson's Progressive degenerative disease of the CNS that destroys the area of the brain that regulates coordination, movement and posture
Transient ischemic attack A temporary lack of adequate blood and oxygen to the brain; has the signs and symptoms of a stroke, but goes away within a short period of time
Stroke Cerebrovascular accident; interrupted blood flow to one or more parts of the brain. Ranges from mild to severe
Migraine headache Moderate, severe, or excruciating pain in head, often throbbing, usually unilateral. Pain aggravated by activity. Duration = 4 hours to 3 days; may include nausea and vomiting, watery eye, runny nose. Often preceded by "aura"
Trigeminal neuralgia Severe, “lightning-like” stabbing pain along one or more of the three branches of cranial nerve V, the trigeminal nerve
Bell palsy Impairment of facial nerve on one side of face, producing flaccid paralysis: drooping, difficulty eating and drinking, and closing eye
Peripheral neuropathy A Term that usually describes an injury or a disease of one or more spinal nerves supplying skin or muscle, most often in the hands, feet, or both
Depression general name for several conditions characterized by sadness, apathy, low self-esteem, and guilt
Anxiety Disorder Chronic, pervasive, overwhelming, and possibly disabling feeling of being unsafe, with irrational or extreme dread of everyday situations
Encephalitis Brain infection and inflammation, usually caused by a virus
Cluster Headache Rapidly developing, moderate to severe throbbing, piercing head pain, typically focused around one eye, lasting 45–90 minutes
Tension Headache Pressure, tightness, steady mild to moderate pain around head and/or neck; tenderness in muscles of shoulders, neck and head; not usually aggravated by activity, duration = 30 minutes to 1 week
Meningitis Infection and inflammation of the layers of tissue surrounding brain and spinal cord, usually caused by bacterial or viral infection (viral tends to be less severe)
Post Polio Syndrome Characterized by sudden fatigue, muscle weakness, muscle and joint pain, breathing or swallowing problems, sleep-related breathing problems, intolerance of cold, and muscle weakness
Epilepsy history of two or more unprovoked (not caused by known agent) seizures
Double Crush Syndrome Compression of a centrally located peripheral nerve with additional compression at distally located sites of the same nerve
Amyotrophic lateral sclerosis Also known as Lou Gehrig’s disease in the US and motor neurone disease in Great Britain; a progressive and fatal condition that destroys motor neurons in the central and peripheral nervous systems, leading to the atrophy of voluntary muscles.
Dystonia involves repetitive,involuntary, sometimes sustained contractions of skeletalmuscles. Symptoms o＀en reach a peak and then stabilizeor subside in intensity, but they may recur
Tremor involuntary oscillating move- ments on a fixed plane. this can be a freestanding disor-der, or a symptom of a number of different types of CNS problems
Herpes zoster an infection of the nervous system causedby the varicella zoster virus (VZV). In this case, the virustargets the dendrites at the receiving ends of sensoryneurons, which leads to painful, fluid-filled blisters on thenerve endings of a specific dermatome
Additction a disease involving uncontrollable drug or alcohol use or drug seeking, despite harmful consequences, and this is accompanied by changes in the brain that can be long lasting; also known as substance use disorder
Bipolar disorder marked by mood swings on a continuum from major depression to mania
Eating disorders a variety of unhealthy eating habitsthat become difficult or even impossible to reverse. they may arise in response to emotional or physical stressors
Obsessive-compulsive disorders a group of conditions that involve intractable thought patterns and repetitive behaviors to try to control those thoughts. These conditions can range in severity frommild to severe and debilitating
Posttraumatic stress disorders experienced by a person who was exposed to death, actual or threatened injury, or violence, either as a participant or as an in-person witness.
Complex regional pain syndrome a collection of signs and symptoms that involve self-sustaining and long-lasting pain and changes to the skin, muscles, joints, nerves, and blood vessels of the affected areas
Traumatic brain injury an insult to the brain brought about by some kind of accident rather than by congenital or degenerative conditions. ＀e trauma leads to altered states of consciousness; cognitive impairment; and disruption of physical, emotional, and behavioral function
Cerebral palsy a collective term for many possible injuries to the brain that may occur during gestation, birth, and early infancy
Fibromyalgia a multifac-torial condition involving problems with neurotrans-mitter and hormone imbalances, sleep disorders, andchronic pain felt in muscles, tendons, ligaments, andother so＀ tissues
Sleep Disorders disorders that interfere with the ability to fall asleep, stay asleep, or wake up feeling refreshed
Vestibular balance disorders a group of condi- tions that can cause the vestibular branch of cranial nerve VIII to malfunction, leading to debilitating vertigo that may last anywhere from a few seconds to many hours
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