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  • Title: [The role of the somatosensory cortex in the development of reflex analgesia].
    Author: Kukushkin ML, Reshetniak VK, Durinian RA.
    Journal: Biull Eksp Biol Med; 1986 Jun; 101(6):650-2. PubMed ID: 3488082.
    Abstract:
    The effects of reflex stimulation on the changes of nociception thresholds in animals before and after ablation of the somatosensory cortex were studied in behavioural experiments on adult cats. Electroacupuncture stimulation (EAP) was shown to increase nociception thresholds at all levels of the conventional scale. The ablation of both the first (S1) and the second (S2) somatosensory cortex led to EAP inefficiency at the side opposite to the ablation. Partial lesion of the lateral and suprasylvian gyri, used as control, did not affect the efficiency of reflex analgesia. It is concluded that somatosensory areas of the cortex, especially 2, are involved in reflex analgesia.
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