Traditional explanations of multistable visual phenomena (e.g. ambiguous figures, perceptual rivalry) suggest that the basis for spontaneous reversals in perception lies in antagonistic connectivity within the visual system. In this review, we suggest an alternative, albeit speculative. explanation for visual multistability - that spontaneous alternations reflect responses to active, programmed events initiated by brain areas that integrate sensory and non-sensory information to coordinate a diversity of behaviors. Much evidence suggests that perceptual reversals are themselves more closely related to the expression (...) of a behavior than to passive sensory responses: (1) they are initiated spontaneously, often voluntarily, and are influenced by subjective variables such as attention and mood; (2) the alternation process is greatly facilitated with practice and compromised by lesions in non- visual cortical areas; (3) the alternation process has temporal dynamics similar to those of spontaneously initiated behaviors; (4) functional imaging reveals that brain areas associated with a variety of cognitive behaviors are specifically activated when vision becomes unstable. In this scheme, reorganizations of activity throughout the visual cortex, concurrent with perceptual reversals, are initiated by higher, largely non- sensory brain centers. Such direct intervention In the processing of the sensory input by brain structures associated with planning and motor programming might serve an important role in perceptual organization, particularly in aspects related to selective attention. (shrink)

Tentativa de redacción escrita -- Otros registros de lecturas -- Edición crítica y versión rítmica de los fragmentos de Parménides -- 2. Razón común : edición crítica, ordenación, traducción y comentario de los restos del libro de Heraclito.

Any more or less serious attempt to deal with even one aspect of the complex and generally still inadequately studied philosophical system of so outstanding a thinker as the famous Russian idealist philosopher Vladimir Sergeevich Solovyov necessarily requires preliminary consideration and evaluation of the philosophic significance of his work as a whole.

History of civilization and human nature of Vietnam.

Purpose of the article is to establish the role of egoism in the life of a person faced with a disability situation, as a moment of self-determination in an existential crisis. I set the task to evaluate the influence of egoism and find out its significance in the prospect of the person’s further existence in the conditions of disability using the philosophical anthropology based on the meta-anthropology principle. Theoretical basis. Based on the fact that the role of egoism is perceived (...) by public opinion as a vice and entails the absorption by a person of the benefits intended for others, I find them inappropriate for a person in a situation of disability. Taking into account the concepts of ego of altruism and altruistic egoism, which partially justify the positive influence of egoism, are only a product of the symbiotic interaction of altruism and egoism. The combination of egoism with altruism cannot reveal the essence of the crisis for a person in a disability situation. In a situation of disability, a person cannot synthesize altruism, as part of the egoism symbiosis. Methodological system in the study of the positive role of egoism, the modern theory of meta-anthropology by Nazip Khamitov is used. The theory that divides the being of a person into various types is able to most fully structure the concept of egoism in the being of a person who has disability. Originality. I made an attempt to prove the positive role of egoism in a situation related to the body transformation into new conditions. The analysis of evidence of the need for the egoism development, as a function capable of actualizing a person in the formed crisis circumstances is carried out. A theory about the need for egoism to get a person out of the existential crisis situation in which he stays due to a disability situation was proposed. Conclusions. I show that taking care of oneself is a balancing factor for a person, as opposing a fatally unfair situation in which a person has received disability. Rational egoism is able to bring a person out of ultimate being and allow him to transform into a new, changed reality. (shrink)

The communicative aspects of the contents of consciousness are analyzed in the framework of a neural network model of animal communication. We discuss some issues raised by Gray, such as the control of the contents of consciousness, the adaptive value of consciousness, conscious and unconscious behaviors, and the nature of a model's consciousness.

The paper is devoted to a conceptual model of cell patterning, based on a generalized notion of the epigenetic code of a cell determining its state. We introduce the concept of signaling depending both upon the spatial distance between cells and the distance between their cell states (s-distance); signaling can repel cells in the space of cell states (s-space) or attract them. The influence of different types of repelling signaling on the evolution of cells is considered. Stabilizing signaling, namely a (...) signaling monotonically decreasing with s-distance, causes the restoring of cell states after perturbations; destabilizing signaling, i.e., the one in which the signaling monotonically increases with s-distance, causes the appearance of pairs of cells with alternating cell states (one close to the state conventionally called “head”, and another close to the “tail” state). Non-monotonic (in s-space) signaling splits the cells into groups. The model shows that different types of signaling may provide different types of cellular patterns. General principles for applying this model to complex cellular structures are discussed. (shrink)

Philosophical aspects of belief and ancestor worship in Southern Vietnam.

1. Mafhūm al-Tarbiyah al-Islāmīyah -- 2. Mfhm uṣūl al-Tarbiyah al-Islāmīyah -- 3. Mafhūm al-naẓarīyah al-Tarbawīyah al-Islāmīyah -- 4. Mafhūm al-naẓarīyah al-Tarbawīyah al-Islāmīyah -- 5. Mafhūm al-Fikr al-tarbawī al-Islāmī Mafhūm al-Turāth al-tarbawī al-Islāmī -- 6. Mafhūm Falsafat al-Tarbiyah al-Islāmīyah.

On the ideas of Ayōttitācar,1845-1914, on Buddhism and medicine.