Dementia in Amyotrophic Lateral Sclerosis (Lou Gehrig Disease) Glossary of Terms

The following are health and medical definitions of terms that appear in the Dementia in Amyotrophic Lateral Sclerosis (Lou Gehrig Disease) article.

Alzheimer disease: See: Alzheimer's disease.

Antidepressants: Anything, and especially a drug, used to prevent or treat depression.

Atrophy: A wasting away or diminution. Muscle atrophy is a decrease in muscle mass, often ...

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Brain: The portion of the central nervous system that is located within the skull. It func...

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Cognitive: Having to do with thought, judgment, or knowledge.

Computed tomography: An x-ray procedure that uses the help of a computer to produce a deta...

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CT scan: Computed tomography scan. Detailed images of internal organs are obtained by this...

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Cure: 1. To heal, to make well, to restore to good health. 2. A time withou...

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Dementia: Significant loss of intellectual abilities, such as memory capacity, that is sev...

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Depression: An illness that involves the body, mood, and thoughts and that affects the way...

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Dopamine: An important neurotransmitter (messenger) in the brain.

EEG: Electroencephalogram.

Family history: The family structure and relationships within the family, including inform...

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Frontal: In anatomy, pertaining to the forehead. As, for example, the frontal bone, fronta...

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Frontal lobe: The part of each hemisphere of the brain located behind the forehead that se...

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Lab test: A test that is done in the laboratory where the appropriate equipment, supplies,...

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Lateral: 1. In anatomy, the side of the body or a body part that is farther from th...

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Limb: An arm or a leg.

Lobe: Part of an organ that appears to be separate in some way from the rest. A lobe may b...

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Memory: 1. The ability to recover information about past events or knowledge. ...

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Motor: Something that produces or refers to motion. For example, a motor neuron is a nerve...

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Motor neuron: A neuron that sends electrical output signals to muscle neurons. Also called...

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Motor neuron disease: A group of related diseases of the nervous system that are character...

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MRI: Magnetic resonance imaging.

Muscle: Muscle is the tissue of the body which primarily functions as a source of power. T...

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Muscular: Having to do with the muscles. Also, endowed with above average muscle developme...

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Muscular dystrophy: One of a group of genetic diseases characterized by progressive weakne...

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Nerve: A bundle of fibers that uses electrical and chemical signals to transmit sensory an...

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Neurological: Having to do with the nerves or the nervous system as, for example, a neurol...

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Neurologist: A physician who specializes in the diagnosis and treatment of disorders of th...

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Neuron: A nerve cell that receives and sends electrical signals over long distances within...

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NINDS: Stands for the National Institute of Neurological Disorders and Stroke, one of the ...

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Onset: In medicine, the first appearance of the signs or symptoms of an illness as, for ex...

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Paralysis: Loss of voluntary movement (motor function). Paralysis that affects only one mu...

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Primary care: A patient's main source for regular medical care, ideally providing continui...

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Primary care provider: In insurance parlance, a physician who is chosen by or assigned to ...

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Re-uptake: See: Reuptake.

Respiratory: Having to do with respiration.

Respiratory failure: Inability of the lungs to perform their basic task of gas exchange, t...

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Scan: As a noun, the data or image obtained from the examination of organs or regions of...

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Sclerosis: Localized hardening of skin. Sclerosis is generally caused by underlying diseas...

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Serotonin: A neurotransmitter that is involved in the transmission of nerve impulses. Sero...

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Shortness of breath: Difficulty in breathing. Medically referred to as dyspnea. Shortness ...

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SPECT: An acronym that stands for Single Photon Emission Computed Tomography, a nuclear me...

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Stress: In a medical or biological context stress is a physical, mental, or emotional fact...

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Stroke: The sudden death of brain cells due to lack of oxygen, caused by blockage of blood...

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Tomography: The process for generating a tomogram, a two-dimensional image of a slice or s...

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Voluntary: Done in accordance with the conscious will of the individual. The opposite of i...

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Wasting: 1. Gradual loss (for example, of weight), deterioration, emaciation. As in...

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X-ray: High-energy radiation with waves shorter than those of visible light. X-ray is used...

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