Stereognosis (also known as haptic perception or tactile gnosis) is the ability to perceive and recognize the form of an object in the absence of visual and auditory information, by using tactile information to provide cues from texture, size, spatial properties and temperature. Astereognosis is the failure to identify or recognize objects by palpation in the absence of visual or auditory information.  This activity is used to test the ability to identify the objects that are placed in the hand when the eyes are closed.



Simulation Type

Condition, Using graphics

Gender Specific

No, Common for both gender

Conditions Simulated

     Stereognosis (Normal)

     Astereognosis  (Abnormal)


     Click on the desired object to hold it in the hand.

     Click on the audio icon to hear the response of the patient.