Damage to the postcentral gyrus can cause agraphesthesia (disorientation in cutaneous space), astereognosia, loss of vibration, proprioception and fine touch (because the third-order neuron of the medial-lemniscal pathway cannot synapse in the cortex); and, if it affects the non-dominant hemisphere, it can also produce hemispatial neglect. It could also reduce nociception, thermoception and crude touch.
Postcentral gyrus
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