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Home › Body Atlas › Brain & Spinal Cord › Secondary Somatosensory Cortex
Brain Structure Head & Skull

Secondary Somatosensory Cortex

cortex somatosensorius secundarius

The secondary somatosensory cortex lies in the upper bank of the lateral sulcus (parietal operculum), just below the face area of the primary somatosensory cortex. It receives touch and pain information from both sides of the body.

Anatomical Data

Structure & Connections

LocationParietal operculum, upper wall of the lateral sulcus
Parts
  • Areas OP1-OP4 of the parietal operculum
Connections
Blood SupplyMiddle cerebral artery
Biomechanics

Function & Actions

Recognises objects by touch, integrates touch from both sides and contributes to pain perception.

Clinical Relevance

Clinical Notes

Damage can cause difficulty recognising objects by touch (tactile agnosia). It is involved in the experience of pain along with the insula.

Pathology

Common Injuries & Conditions

Tactile Agnosia

Inability to recognise objects by touch despite intact basic sensation.

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