A patient's inability to identify a key placed in his hand with his eyes closed is called

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The inability to recognize the nature of objects by touch manipulation,termed astereognosis,is abnormal.Astereognosis is related to dysfunction of the parietal lobe,where the sensory cortex is located.Dysesthesia refers to abnormal interpretation of stimuli.Stereognosis is the ability to identify common objects by manipulation and touch.Anesthesia is the absence of touch sensation.

A Patient's Inability to Identify a Key Placed in His