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Items: 1 to 20 of 27

1.

Aging

Progressive damage to mitochondrial DNA (mtDNA) during life is thought to contribute to aging processes. This notion is supported by the observation of an aging-related accumulation in human mtDNA of oxidative and alkylation derivatives of nucleotides, of small deletions and insertions, and of large deletions, although their low frequency raises questions about their functional significance (Michikawa et al., 1999). [from GTR]

MedGen UID:
1376
Concept ID:
C0001811
Organism Function
2.

Mild cognitive disorder

Some forgetfulness can be a normal part of aging. However, some people have more memory problems than other people their age. This condition is called mild cognitive impairment, or MCI. People with MCI can take care of themselves and do their normal activities. MCI memory problems may include. -Losing things often. -Forgetting to go to events and appointments. -Having more trouble coming up with words than other people of the same age. Memory problems can also have other causes, including certain medicines and diseases that affect the blood vessels that supply the brain. Some of the problems brought on by these conditions can be managed or reversed. Your health care provider can do thinking, memory, and language tests to see if you have MCI. You may also need to see a specialist for more tests. Because MCI may be an early sign of Alzheimer's disease, it's really important to see your health care provider every 6 to 12 months. At this time, there is no proven drug treatment for MCI. Your health care provider can check to see if you have any changes in your memory or thinking skills over time. NIH: National Institute on Aging.  [from MedlinePlus]

MedGen UID:
220863
Concept ID:
C1270972
Mental or Behavioral Dysfunction
3.

Alzheimer disease

Alzheimer disease (AD) is characterized by dementia that typically begins with subtle and poorly recognized failure of memory and slowly becomes more severe and, eventually, incapacitating. Other common findings include confusion, poor judgment, language disturbance, agitation, withdrawal, and hallucinations. Occasionally, seizures, Parkinsonian features, increased muscle tone, myoclonus, incontinence, and mutism occur. Death usually results from general inanition, malnutrition, and pneumonia. The typical clinical duration of the disease is eight to ten years, with a range from one to 25 years. Approximately 25% of all AD is familial (i.e., =2 persons in a family have AD) of which approximately 95% is late onset (age >60-65 years) and 5% is early onset (age <65 years). [from GTR]

MedGen UID:
1853
Concept ID:
C0002395
Disease or Syndrome
4.

Alzheimer disease

A degenerative disease of the brain characterized by the insidious onset of dementia. Impairment of memory, judgment, attention span, and problem solving skills are followed by severe apraxia and a global loss of cognitive abilities. The condition primarily occurs after age 60, and is marked pathologically by severe cortical atrophy and the triad of senile plaques, neurofibrillary tangles, and neuropil threads. [from HPO]

MedGen UID:
505259
Concept ID:
CN002282
Finding
5.

Mild

Having a relatively minor degree of severity. For quantitative traits, a deviation of between two and three standard deviations from the appropriate population mean. [from HPO]

MedGen UID:
268697
Concept ID:
C1513302
Finding
6.

Impairment

MedGen UID:
151925
Concept ID:
C0684336
Pathologic Function
7.

Cognitive impairment

Abnormality in the process of thought including the ability to process information. [from HPO]

MedGen UID:
151917
Concept ID:
C0683322
Mental or Behavioral Dysfunction
8.

Cognitive impairment

A notable change in cognitive function. [from NCI]

MedGen UID:
90932
Concept ID:
C0338656
Mental or Behavioral Dysfunction
9.

Neurocognitive disorder

A disorder characterised by a decline primarily in intellectual function due to disease of the brain caused by a variety of acquired conditions such as cerebrovascular disease, Alzheimer's disease, infections, adverse drug reactions and trauma. [from SNOMEDCT_US]

MedGen UID:
873945
Concept ID:
C4041080
Mental or Behavioral Dysfunction
10.

Disease Attributes

Clinical characteristics of disease or illness. [from MeSH]

MedGen UID:
199876
Concept ID:
C0752357
Disease or Syndrome
11.

Tauopathy

Neurodegenerative disorders involving deposition of abnormal tau protein isoforms (TAU PROTEINS) in neurons and glial cells in the brain. Pathological aggregations of tau proteins are associated with mutation of the tau gene on chromosome 17 in patients with ALZHEIMER DISEASE; DEMENTIA; PARKINSONIAN DISORDERS; progressive supranuclear palsy (SUPRANUCLEAR PALSY, PROGRESSIVE); and corticobasal degeneration. [from MeSH]

MedGen UID:
181880
Concept ID:
C0949664
Disease or Syndrome
12.

Diagnosis, Psychiatric

MedGen UID:
138165
Concept ID:
C0376338
Mental or Behavioral Dysfunction
13.

Genetic predisposition

A latent susceptibility to disease at the genetic level, which may be activated under certain conditions. [from MeSH]

MedGen UID:
137259
Concept ID:
C0314657
Organism Attribute
14.

Senility

MedGen UID:
115903
Concept ID:
C0231337
Finding
15.

Neurodegenerative disease

Hereditary and sporadic conditions which are characterized by progressive nervous system dysfunction. These disorders are often associated with atrophy of the affected central or peripheral nervous system structures. [from MeSH]

MedGen UID:
101195
Concept ID:
C0524851
Disease or Syndrome
16.

Dementia

A loss of global cognitive ability of sufficient amount to interfere with normal social or occupational function. Dementia represents a loss of previously present cognitive abilities, generally in adults, and can affect memory, thinking, language, judgment, and behavior. [from HPO]

MedGen UID:
99229
Concept ID:
C0497327
Finding; Mental or Behavioral Dysfunction
17.

Cognitive disorder

A category of psychiatric disorders which are characterized by a deficit in cognition or memory. [from NCI]

MedGen UID:
40371
Concept ID:
C0009241
Mental or Behavioral Dysfunction
18.

Unspecified encephalopathy

A functional and/or structural disorder of the brain caused by diseases (e.g. liver disease, kidney disease), medications, chemicals, and injuries. [from NCI]

MedGen UID:
39314
Concept ID:
C0085584
Disease or Syndrome
19.

Psychoses, Traumatic

MedGen UID:
19557
Concept ID:
C0033943
Mental or Behavioral Dysfunction
20.

Overinclusion

MedGen UID:
14542
Concept ID:
C0029947
Mental or Behavioral Dysfunction
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