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For more detailed explanation on a subject heading entry, follow the the link from its name.

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Use: Sleep disorders

National surveys [SCOPE NOTE: Surveys conducted on a national scale]
Broader Terms: Surveys
Related Terms: Census, Demographics, Questionnaires, Research methodology, Survey forms

Natural supports
Use: Community resources

Needs assessment [SCOPE NOTE: Includes priorities, community needs, problem identification, and program needs]
Broader Terms: Evaluation
Related Terms: Accountability, Problem solving, Research methodology
Use for: Assessment

Negative reinforcement
Use: Behavior modification, Disincentives

Use: Infants

Nerves [SCOPE NOTE: Bundle of fibers which connect parts of the nervous system with the other organs, conduct nervous impulses, and are made up of axons and dendrites together with protective and supportive tissue]
Broader Terms: Anatomy, Body, Nervous system
Related Terms: Neurological disorders

Nervous system [SCOPE NOTE: Used for documents dealing with the nervous system as a broad category]
Narrower terms: Brain, Nerves, Spinal cord
Broader Terms: Anatomy
Related Terms: Brain, Neurological disorders, Neuromuscular disorders, Parkinson's disease
Use for: Central nervous system

Use: Information networks, Interagency cooperation

Neurological disorders [SCOPE NOTE: Organic disorders of the nervous system such as Ryes' Syndrome, Meningitis, and Encephalitis; includes treatment; use specific disorders listed below under "Narrower terms" when appropriate]
Narrower terms: Cerebral palsy, Epilepsy, Huntington disease, Multiple sclerosis, Parkinson's disease, Poliomyelitis, Repetitive strain injuries, Spina bifida
Related Terms: Brain damage, Brain injuries, Hemiplegia, Intellectual disabilities, Nerves, Nervous system, Neuromuscular disorders, Paralysis, Paraplegia, Quadriplegia, Sleep disorders, Spinal cord injuries
Use for: Insensitive limbs

Neuromuscular disorders [SCOPE NOTE: Disorders involving both nerves and muscles]
Narrower terms: Multiple sclerosis, Paralysis
Broader Terms: Disabilities
Related Terms: Motor skills, Muscular impairments, Nervous system, Neurological disorders
Use for: ALS (Amyotrophic Lateral Sclerosis), Amyotrophic Lateral Sclerosis (ALS), Charcot-Marie-Tooth syndrome, Lou Gehrig's disease, Myasthenia gravis

Newly disabled [SCOPE NOTE: Concerning all aspects of the life of a person who has become recently disabled]

Non rehabilitants
Use: Outcome

Non vocal
Use: Hearing impairments, Speech impairments

Use: Deinstitutionalization

Nursing [SCOPE NOTE: Includes nurses, nursing treatment, and techniques]
Related Terms: Health personnel, Long term care, Medical personnel, Medicine

Nursing homes [SCOPE NOTE: Includes convalescent homes]
Broader Terms: Facilities, Housing, Living facilities
Related Terms: Age factors, Aging, Chronic illness, Hospices, Hospitals, Long term care, Residential living

Nutrition [SCOPE NOTE: Includes dietetics, eating habits, and menu selection]
Related Terms: Feeding, Health care, Home economics, Obesity, Physical fitness, Prevention
Use for: Diet, Dietary, Dietician