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Homeostasis and cells

Discussion of all aspects of cellular structure, physiology and communication.

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Re: Homeostasis and cells

Postby Chromatidious » Mon Jan 03, 2011 7:15 am

“My opinions about single cell cognition and computational ability are partially stated in my 2007 article http://shapiro.bsd.uchicago.edu/2006.ExeterMeeting.pdf.
Cognition and decision-making are widely recognized in many types of cells, not just neurons. For example, the August 10, 2010, issue of Nature Immunology was devoted to "decision-making in the immune system." You might also look into decision-making in programmed cell death (apoptosis). Cell differentiation would be impossible if all cell divisions were equal. There is a large and growing literature on asymmetric cell divisions and the role they play in differentiation and tissue development. Even bacteria have asymmetric cell divisions when they form specialized cells, such as spores and nitrogen-fixing heterocysts."
James A. Shapiro, University of Chicago
Professor of Biochemistry & Molecular Biophysics

“Both information and physical substrate problems point to one solution; that consciousness is a property of a cell, not a group of cells. No one special cell is implicated. It is proposed that all neurons are conscious, or sentient, to a degree; that the single subjective 'soul' is a confabulation.”
Jonathan CW Edwards, University College London
Professor of Medicine, http://www.ucl.ac.uk/~regfjxe/aw.htm

“I would point out that the notion that each neuron has a degree of consciousness was proposed by Freud in his "Project for a scientific psychology". This is one in a long line of proposals as to how individual neurons contribute to personal experience: the ideas in this work are in that tradition.”
Thomas G. Bever, University of Arizona
Professor of Psychology
Chromatidious
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