| Título: | Brain Dynamics: The brain activity according to the dynamic conditions of nervous excitability. Vol. 1 |
| Autores: | Gonzalo Rodríguez-Leal, Justo ; Gonzalo Fonrodona, Isabel |
| Tipo de documento: | texto impreso |
| Editorial: | Edited by Isabel Gonzalo Fonrodona, 2021-02-11 |
| Dimensiones: | application/pdf |
| Nota general: |
cc_by_nc_sa info:eu-repo/semantics/openAccess |
| Idiomas: | |
| Palabras clave: | Estado = No publicado , Materia = Ciencias Biomédicas: Medicina , Materia = Ciencias Biomédicas: Medicina: Fisiología , Materia = Ciencias Biomédicas: Medicina: Neurociencias , Materia = Ciencias Biomédicas: Medicina: Oftalmología , Materia = Ciencias Biomédicas: Medicina: Optica , Materia = Ciencias Biomédicas: Psicología: Neuropsicología , Materia = Ciencias Biomédicas: Psicología: Percepción , Materia = Ciencias Biomédicas: Óptica y optometría: Color , Tipo = Libro o Monografía |
| Resumen: |
This book is the English translation of the published book in Spanish: Dinámica Cerebral, by Justo Gonzalo, Vol. 1, published by the Consejo Superior de Investigaciones Científicas, Madrid 1945. A facsimile Spanish edition includindg Vol. 2 and supplements was published by the Red Temática en Tecnologías de Computación Artificial/Natural (RTNAC) and the University of Santiago de Compostela in 2010, and whose on-line open-access version (http://dspace.usc.es/handle/10347/4341) maintains a significant rate of visits since its publication. Justo Gonzalo (Barcelona 1910 - Madrid 1986), after specialization in Austria and Germany, developed a novel research on the human cerebral cortex, partially exposed in this book. The research described here is surprisingly of current interest, apart from its undoubted historical interest. Some aspects were ahead of discoveries that were made later. Some of the phenomena exposed are still unknown, or have only been observed in the last decades, and the functional dynamic unity of the cortex proposed by the author is closely related to the current trends in the study of the brain. Some singular phenomena are described with extreme detail, such as inverted vision, facilitation, delocalization of colors, reversal of motion, and orientation disorder, among others. From the study of patients with unilateral lesion in an association area of the left parieto-occipital cortex, the author characterized what he called the `central syndrome´ of the cortex as a multisensory disorder in which all functions are affected bilaterally and symmetrically, presenting dynamic phenomena such as disaggregation of a sensory function into partial functions that are united in normal perception. Thus, inverted or tilted vision appears, whose first in-depth study is part of this research. A related phenomenon is partial disappearance of the disorders by intensification of the stimulus, or by means of facilitation, according to which the perception of a stimulus improves by the presence of another stimulus of the same or of a different sensory modality (cross-modal effect), or by a motor stimulus, muscular effort being one of the most efficient and less known means. The greater the brain excitability deficit, the more efficient facilitation is. The first detailed study on multisensory and motor facilitation is part of this research. Multisensoriality is a topic of great interest at present. From the new approach that the author gave to the research, his conception of brain dynamics emerged. The term `brain dynamics´, so widely used today, was introduced here for the first time in relation to sensory organization. This research filled the gap then existing between brain pathology and the physiology of the nervous system since the phenomena described find explanation on a physiological basis governed by the laws of nervous excitability, and provides a dynamic solution to the rigid theory of brain localization by establishing a continuous transition between lower and higher sensory functions, both being based on the same physiological laws. In addition to the patients directly studied by the author, a reference case is also the famous Schneider patient of Goldstein and Gelb studied in 1918, which deserves publications even at present, and which the author interpreted under the central syndrome. In this Volume 1, the first part (Part I) deals qualitatively with general aspects of the research (findings, new syndrome, dynamic analysis), and Part II focuses on the quantitative and experimental aspects concerning visual functions. This part covers electrical and light excitability, color vision, visual field, visual forms, color vision, motion perception, motion inversion, visual image orientation, and visual schema. The rich bibliographic documentation on various trends of thought and clinical data adds interest and amenity to the book. This research received international attention from relevant authors shortly after the first publication of the book (in Spanish), and more recently found echo in the field of cybernetics and artificial intelligence. A preface introduces some aspects of this research, its author and his subsequent research. |
| En línea: | https://eprints.ucm.es/id/eprint/63730/1/BrainDynamicsVol1_22_02_2021.pdf |
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