Human stability in the erect stance: Alcohol effects and audio-visual perturbations |
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| Authors: | Paolo Bartolomeo Pascolo Roberto Carniel Bruno Pinese |
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| Affiliation: | 1. Laboratorio di Meccanica Funzionale, Università di Udine, Via Delle Scienze, 208, 33100 Udine, Italy;2. Instituto de Geofísica, Universidad Nacional Autónoma de México, Ciudad Universitaria, México 04510 D.F., México;3. Dipartimento DIEA, Università di Udine, Via delle Scienze, 208, 33100 Udine, Italy;1. Department of Otorhinolaryngology Head and Neck Surgery, Second Affiliated Hospital, Xi’an Jiaotong University College of Medicine, Ear Institute of Xi’an Jiaotong University College of Medicine, Xi’an, China;2. Department of Otology and Skull Base Surgery, Eye Ear Nose & Throat Hospital, Fudan University, Shanghai 200031, China;3. Key Laboratory of Hearing Science, Ministry of Health, Shanghai, China;1. Department of Craniofacial Development and Stem Cell Biology, King’s College London, Guy’s Tower Wing, Floor 27, London SE1 9RT, UK;2. MRC Centre for Developmental Neurobiology, King’s College London, New Hunts House, London SE1 1UL, UK;1. Division of Reproductive Endocrinology, Department of Obstetrics and Gynecology, University of Patras Medical School, University Hospital, Patras, Greece;2. Département d’Hormonologie, Hôpital Lapeyronie, CHRU Montpellier et UMI, Montpellier, France;3. Service de Médecine Nucléaire, Hôpital Lapeyronie, CHRU Montpellier, France;4. Physiologie et Médecine Expérimentale du C?ur et des Muscles, INSERM U1046, Montpellier, France;5. Direction Régionale de la Jeunesse, des Sports et de la Cohésion Sociale, Montpellier, France;6. Diagnostic Medical Systems (DMS)-Apelem Mauguio, France;7. Centre d’Investigation Clinique et Département d’Information Médicale, CHRU Montpellier, Montpellier, France;8. Centre d’Investigation Clinique 1001, INSERM, Montpellier, France;9. Unité d’Endocrinologie et Gynécologie Pédiatrique, Hôpital A. de Villeneuve, CHRU Montpellier et UMI, Montpellier, France;10. Federation Internationale de Gymnastique (FIG) Medical Committee, Lausanne, Switzerland;1. Hawaii Undersea Research Laboratory, University of Hawaii at Manoa, 1000 Pope Rd, MSB 303, Honolulu, HI 96822, United States;2. CALIBRE Systems, Inc., 6354 Walker Lane, Metro Park, Alexandria, VA 22310, United States;3. Dept. of Oceanography, University of Hawaii at Manoa, 7800N Rain Valley Rd, Flagstaff, AZ 86004, United States;4. Dept. of Physics, University of Miami, 1320 Campo Sano Ave, Coral Gables, FL 33146, United States |
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| Abstract: | AimIn this article, we discuss the connection between alcohol and the control strategies carried out by the central nervous system to maintain the erect stance. Audio-visual perturbations were coupled with the consumption of an alcoholic beverage to simulate the possible perturbation affecting people at disco clubs, and the effects measured with a stabilometric platform.MethodsWe studied the statokinesigrams (SKG) of 14 volunteers; 11 of them were healthy, 3 were injured. We made a series of numerical tests using a stabilometric platform to record the statokinesigrams.The tests were carried out using statistical methods, time-series analysis, and applying the “p” parameter, recently proposed by Pascolo and Marini [2006. On the introduction of a new parameter for the analysis of posture. Europa Medicophysica, 42, 145–149] as a new tool to evaluate the reactions of the central control system with respect to posture-affecting diseases (for instance Parkinson) and perturbations.ConclusionThis work shows that it is theoretically possible to define non-invasive parameters able to distinguish sober subjects from drunk subjects, with an evaluation that only uses a stabilometric platform. |
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