{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,25]],"date-time":"2026-03-25T18:31:25Z","timestamp":1774463485821,"version":"3.50.1"},"reference-count":31,"publisher":"Royal College of Psychiatrists","issue":"5","license":[{"start":{"date-parts":[[2018,1,2]],"date-time":"2018-01-02T00:00:00Z","timestamp":1514851200000},"content-version":"unspecified","delay-in-days":9377,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Br J Psychiatry"],"published-print":{"date-parts":[[1992,5]]},"abstract":"<jats:p>Anxiety states sometimes lead to hyperventilation (HV) which may, in turn, give rise to a variety of physical symptoms. One way in which HV may present is with unilateral somatosensory symptoms, often left-sided. We report nine such cases. The mechanism of lateralisation was examined using EEG and bilateral somatosensory evoked potentials which were carried out before and after HV. No difference in conduction velocity was found between affected and unaffected arms, but non-specific abnormalities were frequently noted in the EEGs. The results support the role of a central rather than a peripheral mechanism in the production of unilateral symptoms in HV.<\/jats:p>","DOI":"10.1192\/bjp.160.5.664","type":"journal-article","created":{"date-parts":[[2008,10,15]],"date-time":"2008-10-15T04:56:07Z","timestamp":1224046567000},"page":"664-667","source":"Crossref","is-referenced-by-count":9,"title":["Psychophysiological Investigations of Patients with Unilateral Symptoms in the Hyperventilation Syndrome"],"prefix":"10.1192","volume":"160","author":[{"given":"G.","family":"O'Sullivan","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"I.","family":"Harvey","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"C.","family":"Bass","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M.","family":"Sheehy","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"B.","family":"Toone","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S.","family":"Turner","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"170","published-online":{"date-parts":[[2018,1,2]]},"reference":[{"key":"S0007125000124006_ref29","doi-asserted-by":"publisher","DOI":"10.1016\/0028-3932(77)90076-8"},{"key":"S0007125000124006_ref10","volume-title":"Further Contributions to the Therapy and Techniques of Psychoanalysis.","author":"Ferenczi","year":"1926"},{"key":"S0007125000124006_ref27","volume-title":"EEG Primer.","author":"Spehlmann","year":"1981"},{"key":"S0007125000124006_ref1","volume-title":"Diagnostic and Statistical Manual of Mental Disorders","year":"1987"},{"key":"S0007125000124006_ref19","volume-title":"Handbook of Clinical Psychophysiology","author":"Gruzelier","year":"1989"},{"key":"S0007125000124006_ref8","doi-asserted-by":"publisher","DOI":"10.1192\/bjp.142.3.247"},{"key":"S0007125000124006_ref24","doi-asserted-by":"publisher","DOI":"10.1177\/014107688607900805"},{"key":"S0007125000124006_ref13","doi-asserted-by":"crossref","first-page":"578","DOI":"10.1176\/ajp.134.5.578","article-title":"Lateralization of conversion symptoms more frequent on the left","volume":"134","author":"Galin","year":"1977","journal-title":"American Journal of Psychiatry"},{"key":"S0007125000124006_ref9","first-page":"645","article-title":"Hyperventilation and hyperventilation syndrome","volume":"59","author":"Dolle","year":"1964","journal-title":"Medische Klinnick"},{"key":"S0007125000124006_ref17","doi-asserted-by":"publisher","DOI":"10.1017\/S0141347300012489"},{"key":"S0007125000124006_ref25","volume-title":"Epidemiologic Field Methods in Psychiatry. 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