The pioneering research of Justo Gonzalo (1910–1986) on brain dynamics

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Gonzalo Fonrodona, Isabel and Gonzalo Rodríguez-Leal, Justo (2015) The pioneering research of Justo Gonzalo (1910–1986) on brain dynamics. (Unpublished)

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Abstract

This work is the English translation of an extract from the pioneering research of Justo Gonzalo (1910–1986) on brain dynamics. This is an article published in Spanish in the scientific journal ‘Trabajos del Instituto Cajal de Investigaciones Biológicas’, Vol. XLIV, pp. 95-157 (1952), and entitled Human brain functions according to new data and physiological basis. An introduction to the studies conducted on brain dynamics in its English version. As his author pointed out there, the article is a brief summary of the extensive preceding work ‘Dinámica Cerebral´, Volume 1 (1945) (English translation, Open Access at: https://eprints.ucm.es/id/eprint/63730/), Volume 2 (1950) (English translation, Open Access at: https://eprints.ucm.es/id/eprint/72118/), and also includes original work performed later (from Sec. 7 of the article), as a cortical gradients model.

From the study of patients with unilateral lesion in the parieto-occipital cortex, J. Gonzalo characterized what he called the central syndrome of the cortex, a multisensory, bilateral and symmetric affection presenting dynamic phenomena dependent on the intensity of the stimulus, such as the separation of sensory qualities united in normal perception, noticeable facilitation by motor and cross-modal effects, and tilted or inverted perception, among other disorders. He interpreted these phenomena under a dynamic physiological concept, and from a model based on functional gradients through the cortex and scaling laws of dynamical systems, thus highlighting the functional unity of the cortex and offering a dynamic solution to the traditional theory of brain function localization.

In the 2000s, phenomena (related to multisensory integration, inverted vision) have been reported and models have been proposed in close relation to this research. In particular, brain gradients are a hot topic. Therefore, this research is of relevant current interest.

A preface introduces some aspects of the translated article, its author and his research, including several references. It is followed by the translated article.


Item Type:Article
Additional Information:

This paper includes the English translation of the article: Gonzalo J. (1952) "Human brain functions according to new data and physiological bases. An introduction to the studies of Cerebral Dynamics". Published in `Trabajos del Instituto Cajal de Investigaciones Biológicas', XLIV: pp. 95-157. The article in Spanish was also published as Supplement I, in the facsimile edition : Gonzalo J. (2010) "Dinámica Cerebral", Red Temática en Tecnologías de Computación Artificial/Natural (RTNAC) and University of Santiago de Compostela (USC) 2010. ISBN 978-84-9887-458-7, Open Access at http://dspace.usc.es/handle/10347/4341.
The translation of the article is preceded by a preface with references.

The article is closely related to the book `Dinámica Cerebral´ (Brain Dynamics), Volume 1 (1945) (English translation, Open Access at: https://eprints.ucm.es/id/eprint/63730/), Volume 2 (1950) (English translation, Open Access at: https://eprints.ucm.es/id/eprint/72118/)

Uncontrolled Keywords:Brain dynamics, Asynchrony, Neurophysiology, Excitability, Multisensory, Crossmodal, Facilitation, Inverted vision, Tilted vision, Inverted perception, Visual perception, Tactile perception, Brain injury, Central and paracentral syndromes, Cortical lesions, Parieto-occipital cortex, Plasticity, Sensory field, Cortical gradients, Functional gradients, Brain gradients.
Subjects:Medical sciences > Medicine > Physiology
Medical sciences > Medicine > Neurosciences
Medical sciences > Psychology > Neuropsychology
Medical sciences > Psychology > Perception
ID Code:30931
Deposited On:18 Jun 2015 14:38
Last Modified:23 May 2022 15:47

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