{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,7]],"date-time":"2026-08-07T17:50:42Z","timestamp":1786125042645,"version":"build-2736575974"},"reference-count":26,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["NEUROSURGERY","NEUROS"],"published-print":{"date-parts":[[2017,10]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>BACKGROUND<\/jats:title>\n                    <jats:p>Chronic migraine (CM) is a highly debilitating disease, and many patients remain refractory to medicinal therapy. Given the convergent nature of neuronal networks in the ventral posteromedial nucleus (VPM) and the evidence of sensitization of pain circuitry in this disease, we hypothesize CM rats will have increased VPM neuronal firing, which can be attenuated using occipital nerve stimulation (ONS).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>OBJECTIVE<\/jats:title>\n                    <jats:p>To determine whether VPM firing frequency differs between CM and sham rats, and whether ONS significantly alters firing rates during the application of mechanical stimuli.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>METHODS<\/jats:title>\n                    <jats:p>Fourteen male Sprague-Dawley rats were infused with inflammatory media once daily through an epidural cannula for 2 wk to induce a CM state. Sham animals (n = 6) underwent cannula surgery but received no inflammatory media. ONS electrodes were implanted bilaterally and single-unit recordings were performed in the VPM of anesthetized rats during mechanical stimulation of the face and forepaw in the presence and absence of ONS.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>RESULTS<\/jats:title>\n                    <jats:p>\n                      CM rats had significantly higher neuronal firing rates (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; .001) and bursting activity (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; .01) in response to mechanical stimuli when compared to shams. ONS significantly reduced neuronal firing in the VPM of CM rats during the application of 0.8 g (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .04), 4.0 g\n                      <jats:italic toggle=\"yes\">(P =<\/jats:italic>\n                      .04), and 15.0 g (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .02) Von Frey filaments. ONS reduced bursting activity in CM rats during the 4.0 and 15 g filaments (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; .05). No significant changes in bursting activity or firing frequency were noted in sham animals during ONS.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>CONCLUSION<\/jats:title>\n                    <jats:p>We demonstrate that neuronal spike frequencies and bursting activity in the VPM are increased in an animal model of CM compared to shams. Our results suggest that the mechanism of ONS may involve attenuation of neurons in the VPM of CM rats during the application of mechanical stimuli.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1093\/neuros\/nyx135","type":"journal-article","created":{"date-parts":[[2017,3,6]],"date-time":"2017-03-06T23:14:32Z","timestamp":1488842072000},"page":"696-701","source":"Crossref","is-referenced-by-count":15,"title":["Occipital Nerve Stimulation Attenuates Neuronal Firing Response to Mechanical Stimuli in the Ventral Posteromedial Thalamus of a Rodent Model of Chronic Migraine"],"prefix":"10.1227","volume":"81","author":[{"given":"Ian","family":"Walling","sequence":"first","affiliation":[{"name":"Department of Neuroscience and Experimental Therapeutics, Albany Medical College, Albany, New York"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Heather","family":"Smith","sequence":"additional","affiliation":[{"name":"De-partment of Neurosurgery, Albany Medical Center, Albany New York"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lucy E.","family":"Gee","sequence":"additional","affiliation":[{"name":"Department of Neuroscience and Experimental Therapeutics, Albany Medical College, Albany, New York"},{"name":"De-partment of Neurosurgery, Albany Medical Center, Albany New York"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Brian","family":"Kaszuba","sequence":"additional","affiliation":[{"name":"Department of Neuroscience and Experimental Therapeutics, Albany Medical College, Albany, New York"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Arun","family":"Chockalingam","sequence":"additional","affiliation":[{"name":"De-partment of Neurosurgery, Albany Medical Center, Albany New York"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrei","family":"Barborica","sequence":"additional","affiliation":[{"name":"Physics Department, University of Bucharest, Bucharest, Romania"},{"name":"FHC Incorporated, Bowdoin, Maine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cristian","family":"Donos","sequence":"additional","affiliation":[{"name":"Physics Department, University of Bucharest, Bucharest, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Damian S.","family":"Shin","sequence":"additional","affiliation":[{"name":"Department of Neuroscience and Experimental Therapeutics, Albany Medical College, Albany, New York"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Julie G.","family":"Pilitsis","sequence":"additional","affiliation":[{"name":"Department of Neuroscience and Experimental Therapeutics, Albany Medical College, Albany, New York"},{"name":"De-partment of Neurosurgery, Albany Medical Center, Albany New York"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","published-online":{"date-parts":[[2017,10]]},"reference":[{"issue":"1","key":"bib1-20231011","doi-asserted-by":"crossref","first-page":"47","DOI":"10.1186\/1129-2377-15-47","article-title":"Refractory chronic migraine: a consensus statement on clinical definition from the European Headache Federation","volume":"15","author":"Martelletti","year":"2014","journal-title":"J Headache Pain"},{"issue":"2","key":"bib2-20231011","doi-asserted-by":"crossref","first-page":"171","DOI":"10.1001\/archneur.1961.00450140053005","article-title":"Trigeminal and cervical volleys. 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