Roger W. Sperry’s research while affiliated with California Institute of Technology and other places

... 105) Any discussion of human reflexivity begins with a consideration of language as the mechanism underlying the operation of the phenomenon and ends with the role of values in steering reflexive human action (cf. Sperry, 1977Sperry, , 1983. These steering values are often embedded in one's culture and influence not only individuals' everyday actions, but science as well. ...

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The Role of Values in the Science of Psychology

... Patients with right hemisphere damage show greater impairment in haptic tasks, such as the Form Board Test, compared to those with left hemisphere damage [42]. Commissurotomized patients exhibit a left-hand/righthemisphere advantage in tasks requiring organization of scrambled objects by shape or texture [43]. Other studies support this advantage in texture discrimination, tactual maze navigation, and shape recognition [44,45]. ...

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Sex and hand differences in haptic processing: implications for mental rotation ability

... In our present school system, the attention given to the minor hemisphere of the brain is minimal compared with training lavished on the left, or major hemisphere." (Sperry, 1975) Educational institutions have placed a great premium on the verbal/numerical categories and have systematically eliminated those experiences that would assist young children's development of visualization, imagination and/or sensory/perceptual abilities. The over-analytic models so often presented to children in their textbooks emphasize linear thought processes and discourage intuitivity, analogical, and metaphorical thinking. ...

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The neurological development of the child with the educational enrichment in mind

... Identification with interaction (e.g., Katz and Danet 1973). Identification with its two commonsense meanings, (e.g., Arlington and Baird's 2005; Benowitz et al. 1984Benowitz et al. *1985Murray (1998); Sass (1984Sass ( *1985; Scott (1996); Tomasello et al 2005). 27 "[A]ny exchange of messages between human beings" (e.g., Runcan 1985). ...

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Outline of a new approach to the nature of mind

... Zihinsel durumlar, izole bir alandaki beyin işlevlerine her koşulda doğru yanıtlar vermez (Gazzaniga, 2018;Sperry, 1976). Aslında, beynin çok amaçlı 'modülsüz' bir organ olduğu görüşü kabul edilse bile (ki bu görüş desteklenmemektedir ve modası geçmiştir), böyle bir organ yine de modüler bir bilinç üretebilir. ...

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Evrimsel ve Bilişsel Bilimlerin Suç Çalışmaları ve Adli Bilimlere Katkıları

... B, C Optic tectum (TeO) showing contralateral fibres entering the superficial layer of the superficial white and gray zone (SWGZ) (arrowed), four sublaminae of the SWGZ with a few fibres projecting into the Deep White Zone (DWZ). Scale bars= 125/am Sperry 1976) may also work in association with structural cues (Horder and Martin 1978) or a combination of both (Scholes 1981). The premise that retino-recipient nuclei receive input from specific sub-populations of retinal ganglion cells may be also influenced by these factors. ...

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Anterograde labelling from the optic nerve reveals multiple central targets in the teleost, Lethrinus chrysostomus (Perciformes)

... Whether or not it is directly related to a dichotic cognitive system, the brain's lateralization into two hemispheres serves as an example of how parallel processing is more the rule than the exception in information processing. Taking the dual-process theory to an extreme, psychological research has evidenced that our brain's two hemispheres specialize in their own unique tasks (e.g., Nebes andSperry, 1971, Springer &Deutsch, 1985). Electroencephalogram (EEG) studies and split-brain research involving individuals whose corpus callosum has been severed shows a specific hemispheric specialization strongly corresponding with the principles of operation found in the two cognitive subsystems examined in this paper. ...

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Elucidating Need for Cognition Using a Procedural Learning Paradigm

... Instead, it emerged from the random activation of the musculoskeletal anatomy, but only when that included co-innervation of both intrafusal and extrafusal muscle fibers, as provided by bMNs (as opposed to independent a and cMNs). These results are in line with studies into myotonic specificity where recovery of functional behavior occurred after cross connection of peripheral nerve fibers (70). Indeed, bMNs are known to be widely present in mammals (71), whereas mature cMNs are present only in adult mammals and only gradually develop from perinatal stages and onwards (21,72). ...

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A Model for Self-Organization of Sensorimotor Function: The Spinal Monosynaptic Loop

... Many researchers have replicated Sperry's experiments to study the patterns of split-brain and lateralization of functions. According to the experiments conducted by an American neuropsychologist, the anatomical substrate of interhemispheric interaction consists of numerous brain commissures that form a commissural system [32,33]. ...

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A Modern Picture of the Functional Morphology of the Corpus Callosum and Related Pathologies

... Fonte: os autores Os primeiros estudos em pacientes da série da Califórnia indicaram diferenças marcantes entre os hemisférios cerebrais em diversas tarefas sensoriais, tais como discriminação de temperatura, sensibilidade à dor e propriocepção. Os resultados apontaram melhor desempenho nas tarefas quando as informações eram enviadas ao HE, chamado dominante, em comparação ao HD (GAZZANIGA; BOGEN;SPERRY, 1963). Posteriormente, alguns estudos revelaram o papel do HD em diversas funções cognitivas, e essa visão de dominância do HE começou a ser questionada. ...

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Assimetria cerebral funcional visuoespacial