More definitions
Agitation (dễ cáu gắt)
is an unpleasant state of extreme arousal, increased tension, and irritability
anxiety (lo lắng)
Fear or apprehension or dread of impending danger and accompanied by
restlessness, tension, tachycardia, and dyspnea unattached to a clearly identifiable
stimulus.
Alzheimer disease
a progressive degenerative disease of the brain that causes impairment of memory
and dementia manifested by confusion, visual-spatial disorientation, impairment of
language function progressing from anomia to fluent aphasia, inability to
calculate, and deterioration of judgment; delusions and hallucinations may occur.
The most common degenerative brain disorder, AD makes up 70% of all cases of
dementia. Onset is usually in late middle life, and death typically ensues in 5–10
years.
Synonym(s): Alzheimer dementia
dementia
The loss, usually progressive, of cognitive and intellectual functions, without
impairment of perception or consciousness; caused by a variety of disorders,
(structural or degenerative) but most commonly associated with structural brain
disease. Characterized by disorientation, impaired memory, judgment, and
intellect, and a shallow labile affect.
Synonym(s): amentia
Depression (trầm cảm)
A temporary mental state or chronic mental disorder characterized by feelings of
sadness, loneliness, despair, low self-esteem, and self-reproach; accompanying
signs include psychomotor retardation or less frequently agitation, withdrawal
from social contact, and vegetative states such as loss of appetite and insomnia.
Syn: dejection(1), depressive reaction, depressive syndrome
stupor (ngẩn ngơ, đờ đẫn)
A state of impaired consciousness in which the individual shows a marked
diminution in reactivity to environmental stimuli and can be aroused only by
continual stimulation.
agnosia (mất nhận thức)
Impairment of ability to recognize, or comprehend the meaning of, various
sensory stimuli, not attributable to disorders of the primary receptors or general
intellect; agnosias are receptive defects caused by lesions in various portions of the
cerebrum. Syn: agnea.
delirium (mê sảng)
An altered state of consciousness, consisting of confusion, distractibility,
disorientation, disordered thinking and memory, defective perception (illusions
and hallucinations), prominent hyperactivity, agitation, and autonomic nervous
system overactivity; caused by illness, medication, or toxic, structural, and
metabolic disorders
nervous (căng thẳng)
2. Easily excited or agitated; suffering from mental or emotional instability; tense
or anxious.
3. Formerly, denoting a temperament characterized by excessive mental and
physical alertness, rapid pulse, excitability, often volubility, but not always fixity
of purpose.
amnesia (chứng quên)
A disturbance in the memory of information stored in long-term memory, in
contrast to short-term memory, manifested by total or partial inability to recall past
experiences.
psychosis (rối loạn tâm thần)
A mental and behavioral disorder causing gross distortion or disorganization of a
person's mental capacity, affective response, and capacity to recognize reality,
communicate, and relate to others to the degree of interfering with that person's
capacity to cope with the ordinary demands of everyday life. The psychoses are
divided into two major classifications according to their origins: those associated
with organic brain syndromes (Korsakoff syndrome); and those less clearly
organic and having some functional component(s) (the schizophrenias, bipolar
disorder).
delusion (ảo tưởng)
A false belief or wrong judgment held with conviction despite incontrovertible
evidence to the contrary.
illusion (ảo giác)
A false perception; the mistaking of something for what it is not.
hallucination (ảo giác)