Neurology Book

Approach

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Agnosia

Aka: Agnosia
  1. Definition
    1. Not due to primary sensory deficit
    2. Sensory interpretation deficit
      1. Auditory Agnosia
      2. Gustatory Agnosia
      3. Olfactory Agnosia
      4. Tactile Agnosia
      5. Visual Agnosia
  2. Testing
    1. Recognize objects in hand (coin and key)
    2. Recognize chairs or pencils
    3. Recognize family members
    4. Prosopagnosia
    5. Hemilateral neglect

Agnosia (C0001816)

Definition (NCI) A rare disorder characterized by the lack of ability to recognize individuals, objects, shapes, sounds, or smells. There is no loss of memory. It is caused by neurological damage in the brain, specifically in the occipital or parietal lobes.
Definition (MSH) Loss of the ability to comprehend the meaning or recognize the importance of various forms of stimulation that cannot be attributed to impairment of a primary sensory modality. Tactile agnosia is characterized by an inability to perceive the shape and nature of an object by touch alone, despite unimpaired sensation to light touch, position, and other primary sensory modalities.
Definition (PSY) Inability to recognize, understand, or interpret sensory stimuli in the absence of sensory defects. Also, the selective loss of knowledge of specific objects due to emotional disturbance, as seen in schizophrenia, hysteria, or depression.
Definition (CSP) loss of the ability to distinguish the significance of stimuli; may be auditory, visual, olfactory, tactile, or gustatory.
Concepts Mental or Behavioral Dysfunction (T048)
MSH D000377
ICD10 R48.1
SnomedCT 206989009, 158320000, 42341009
English [D]Agnosia, [D]Agnosia (context-dependent category), Agnosias, Agnosia [Disease/Finding], agnosias, Agnosia, agnosia (diagnosis), symbolic dysfunction agnosia, agnosia, [D]Agnosia (situation), Loss of perception of sensory stimuli, Agnosia (finding), Agnosia, NOS
Swedish Perceptionssvikt
Spanish [D]agnosia (categoría dependiente del contexto), [D]agnosia, [D]agnosia (situación), Agnosia Táctil, Agnosia del Tacto, agnosia (hallazgo), agnosia, pérdida de percepción a los estímulos sensitivos, Agnosia
Finnish Agnosia
Russian AGNOZIIA, АГНОЗИЯ
Japanese 視覚失認症, 認知不能, 認知不能症, 失認症, シツニンショウ, 失認, 視覚失認
Czech Agnozie, agnozie, agnózie
Korean 인지불능증
Croatian AGNOZIJA
Polish Agnozja
Hungarian Agnosia
Norwegian Agnosi, Persepsjonssvikt
Dutch agnosie, Agnosie
French Agnosie
German Agnosie
Italian Agnosia
Portuguese Agnosia
Sources
Derived from the NIH UMLS (Unified Medical Language System)


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