Abstract
Analysis of Pschonik’s work on conditioning and sensation, in the light of Gellhorn’s studies on the tuning of the central nervous system through changes in the ergotropic-trophotropic balance, leads to the following results. Vasomotor and sensory reactions (VSR) induced by stimulation of cutaneous warmth and pain receptors (US), or by the conditional stimulus (CS) reinforced by the US, show parallel changes in a variety of circumstances: 1) anesthesia of the skin abolishes the effect of the US but not that of the CS; 2) various procedures lead to a reversal of VSR in the conditioned state in response to the US; 3) in a near-neurotic state VSR may be abolished while the plethysmogram gives evidence that ergotropic and trophotropic discharges occur at the same time.
Changes in the ergotropic-trophotropic balance at the hypothalamic level alter VSR quantitatively and qualitatively. In an ergotropicallytuned state not only ergotropically-acting stimuli, but also trophotropically-acting stimuli lead to vasoconstriction and pain. Thus, stimulation of pain receptors, as well as stimulation of warmth receptors, produces vasoconstriction and pain. Similarly, these stimuli effect vasodilatation and warmth in the trophotropically-tuned state. It is concluded that the ergotropic-trophotropic balance has a profound influence on sensations and perceptions. It is of clinical significance that this balance can be altered through a conditional reflex mechanism,i.e., on the basis of individual experience.
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References
Bremer, F., and Stoupel, N.: Facilitation et inhibition des potentiels évoqués corticaux dans l’éveil cérébral.Arch. Internat. Physiol.,67: 240–275, 1959.
Bykov, K. M.:The Cerebral Cortex and the Internal Organs. Ed. and trans. by W. Horsley Gantt. Chemical Publishers, New York, 1957.
Cerletti, A.: Discussion.In P. B. Bradley, P. Deniker and C. Radouco-Thomas (Eds.):Neuro-Psychopharmacology, Vol. 1, Proceedings of the First International Meeting of Neuro-Psychopharmacologists (Rome, 1958).
Feldman, S. M., and Waller, H. J.: Dissociation of electrocortical activation and behavioural arousal.Nature (London),196: 1320–1322, 1962.
French, J. D., Verzeano, M., and Magoun, H. W.: A neural basis of anesthetic state.AMA Arch. Neurol. Psychiat.,69: 519–529, 1953.
Fuster, J. M.: Effects of stimulation of brain stem on tachistoscopic perception.Science,127: 150, 1958.
Gellhorn, E.:Autonomic Imbalance and the Hypothalamus. Minneapolis, University of Minnesota Press, 1957.
Gellhorn, E.: The hypothalamic-cortical system in barbiturate anesthesia.Arch. Internat. Pharmacodyn.,93: 434–442, 1958.
Gellhorn, E.: The alteration of central autonomic excitability and balance induced by noradrenaline and hypotensive drugs (acetylcholine and histamine).Acta Neuroveg.,20: 490–513, 1960a.
Gellhorn, E.: The tuning of the autonomic nervous system through the alteration of the internal environment (asphyxia).Acta Neuroveg.,20: 514–540, 1960b.
Gellhorn, E.: The neurophysiological basis of anxiety: a hypothesis.Perspect. Biol. Med.,8: 488–515, 1965.
Gellhorn, E.:Principles of Autonomic-Somatic Integration. Physiological Basis and Psychological and Clinical Implications. Minneapolis, University of Minnesota Press, 1967a.
Gellhorn, E.: The tuning of the nervous system: physiological foundations and implications for behavior.Perspect. Biol. Med.,10: 559–591, 1967b.
Gellhorn, E., Koella, W. P., and Ballin, H. M.: The influence of hypothalamic stimulation on evoked cortical potentials.J. Psychol.,39: 77–88, 1955.
Gellhorn, E., and Loofbourrow, G. N.:Emotions and Emotional Disorders. New York, Hoeber, 1963.
Hensel, H.:Allgemeine Sinnesphysiologie. Hautsinne, Geschmack, Geruch. Springer, Berlin, 1966.
Hess, W. R.:Das Zwischenhirn. Basel, Schwabe, 1949.
Lairy-Bounes, G. C., and Fischgold, H.: Reactions EEG diffuses aux stimulations psycho-sensorielles: Interêt clinique.EEG Clin. Neurophysiol.,5: 343–362, 1953.
MacLean, P.: In press.
McGinnis, E.: Emotionality and perceptual defense.Psychol. Rev.,56: 244–251, 1949.
Müller, J.:Handbuch der Physiologie des Menschen. Koblenz, Holscher, 1840. Vol. 1.
Pschonik, A. T.:Die Hirnrinde und die rezeptorische Funktion des Organismus. Berlin, VEB Verlag, 1956.
Rothlin, E., Cerletti, A., Konzett, H., Schalch, W. R., and Taeschler, M.: Zentrale vegetative LSD-Effekte.Experientia,12: 154–155, 1956.
Sahs, A. L., and Fulton, J. F.: Somatic and autonomic reflexes in spinal monkeys.J. Neurophysiol.,3: 258–268, 1940.
Scheibel, M. E., and Scheibel, A. B.: The response of reticular units to repetitive stimuli.Arch. Ital. Biol.,103: 300–316, 1965.
Suvorov, N. F.: (1949) cited by Pschonik.
Wurtman, R. J.: Effect of light and visual stimuli on endocrine function.In L. Martini and W. F. Ganong, (Eds.):Neuroendocrinology, 2:20–61, 1967.
Zotterman, Y.: Thermal sensations.In J. Field (Ed.):Handbook of Physiology, Vol. I, Sect. 1, Neurophysiology, Washington, D. C., American Physiological Society, 1959. Pp. 431–458.
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Supported by Grant MH 06552-06 from the National Institutes of Health.
Professor Emeritus of Neurophysiology, University of Minnesota
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Gellhorn, E. Conditioning, sensations, and the ergotropic-trophotropic balance. Conditional Reflex 3, 34–44 (1968). https://doi.org/10.1007/BF03001135
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DOI: https://doi.org/10.1007/BF03001135