You searched for: “astereognosis
astereognosis
1. The inability to determine the form of an object by touch.
2. Loss of the ability to recognize the shapes of objects by handling them; tactile agnosia.
3. The inability to recognize familiar objects by touch that cannot be explained by a defect of elementary tactile sensation.
tactile amnesia (s) (noun) [astereognosis], tactile amnesias (pl)
Loss or lack of the ability to understand the form and nature of objects that are touched (stereognosis), a form of tactile agnosia: "Tactile amnesia is the loss of the ability to determine the shape of objects through the sense of touching."