Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Agnosia
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
Agnosia: An inability to recognize sensory inputs such as light, sound, and touch). Agnosia is typically a result of brain injury. For example, damaging the back part of the brain can cause visual agnosia (inability to properly recognize objects by sight).
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