Architektura świadomości. Część II: Struktura molekularna i biofizyka pamięci

Wiesław L. Galus

Abstrakt


Część II pracy objaśnia molekularne podłoże pamięci w oparciu o założenia Neuro-Elektro-Dynamiki postulowanej przez Aura i Yoga. Wskazano na biofizyczne mechanizmy generacji wspomnień, refleksji i odczuć dzięki efatycznym sprzężeniom synaptycznym, spełniającym wymagania indukowania impresjonów Vadakkana. Wykazano, że działanie mechanizmu selekcyjnego WTA może być dobrym modelem opisującym funkcję przełączania uwagi. Wskazano na relacje między pamięcią roboczą, krótkoterminową i trwałą i ich spójność z molekularnymi procesami zapamiętywania i rozpoznawania wzorców. Wskazano, że trwała pamięć epizodyczna wymaga konwersji sekwencji czasowych sygnałów bottom-updo rozkładu przestrzennego tworzącego impresjony dynamiczne. Odwrotna transformacja tych impresjonów umożliwia przypominanie epizodów z przeszłości. Omówiono znaczenie wrodzonych struktur sieci neuronowych zapewniających dziedziczenie zachowań instynktownych. Struktury te nie wykluczają zachowania plastyczności umysłu umożliwiającej efektywne uczenie.

 


Słowa kluczowe


molekularne podłoże pamięci; efatyczne sprzężenie synaptyczne; indukowanie wspomnień; przypominanie; przełączanie uwagi

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DOI: http://dx.doi.org/10.18290/rf.2015.63.2-14

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