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Τίτλος: "Anatomical mechanism of ideation, association and attention" [1895] and "Certain points in neurological histophysiology" [1896]: Cajal's conjectures, then and now
Συγγραφείς: Antonakou, Elena I
Triarhou, Lazaros C
Τύπος: Article
Θέματα: FRASCATI::Medical and Health sciences::Basic medicine::Neurosciences (including: Psychophysiology)
FRASCATI::Natural sciences::Biological sciences
Λέξεις-Κλειδιά: Cerebral cortex
Glial amoeboidism
Neuron theory
Neuronal amoeboidism
Pedro López-Peláez y Villegas (1863–1903)
Santiago Ramón y Cajal (1852–1934)
Ημερομηνία Έκδοσης: 9-Οκτ-2019
Πηγή: Journal of chemical neuroanatomy
Τόμος: 104
Πρώτη Σελίδα: 101702
Επιτομή: The purpose of this article is two-fold: first, to preserve, in updated English translations, two theoretical papers written by Santiago Ramón y Cajal (1852-1934) in 1895 and 1896 under the titles, "Conjectures on the anatomical mechanism of ideation, association and attention" and "Conjectural interpretations of certain points in neurological histophysiology"; and second, to set some of the ideas proposed by Cajal in a modern perspective. In his "Conjectures," Cajal ventured to explain the mechanisms of perception, association and attention in cellular terms. He introduced the term "impression unit," which would propagate, leading to conscious act via an "avalanche of conduction." Additionally, he attributed mental repose and sleep to morphological variations of neuroglia; at times of relaxation, astrocytes would grow appendices that penetrated among nerve cell connections and blocked the conduction of the "nervous current"; in energetic contraction, such glial "pseudopodia" would shrink, allowing neuronal processes to come into contact again. In the sequel to the "Conjectures," Cajal presented strong arguments defending the neuron theory against the reticular theory. Moreover, he discussed the functional differentiation of spinal motor neurons and cortical pyramidal cells, which respectively subserve movement and consciousness, despite their morphological similarity.
URI: https://doi.org/10.1016/j.jchemneu.2019.101702
https://ruomo.lib.uom.gr/handle/7000/1356
ISSN: 0891-0618
Ηλεκτρονικό ISSN: 1873-6300
Αλλοι Προσδιοριστές: 10.1016/j.jchemneu.2019.101702
Εμφανίζεται στις Συλλογές: Τμήμα Εκπαιδευτικής & Κοινωνικής Πολιτικής

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