Archive for April, 2014

Dehaene’s Consciousness and the Brain

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Consciousness and the Brain, Stanislas Dehaene (2014) Summary and review of the above book INTRODUCTION: On the basis of the brain research of recent years, Dehaene describes both the extent and limitations of unconscious processing. Such processing can extend to sophisticated levels of cortical processing, such as the meaning of words. However, unconscious signals are transient and decay rapidly in the brain, while conscious signals can persist long after the original stimuli. Decision taking Read more […]

Anterior insula and epilepsy

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Summarises an article by Anil Ananthaswamy, New Scientist, 25 January 2014 This article looks at the effect of a particular type of epileptic seizure on the anterior insula region of the brain. There are two main types of epileptic seizure; general seizures effect the whole of the cortex; this article refers to the other main type of seizure, focal or partial seizures concentrated in small regions of the brain, which is rarer than general seizure. There is also a suggestion that the stranger effects Read more […]

Spacetime theory

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Stuart Clarke, New Scientist, 4 January 2014 Summary of above article The article discusses the possibility of interactions between matter/quanta on the one hand and spacetime on the other, and in particular deals with the work of Giovanni Amelino-Camelia at the University of Rome La Sapienza. This is in connection with a powerful burst of gamma radiation from a galaxy at a distance of 500 million light years detected in 2005, and another much more distant burst of radiation observed in 2013. The Read more […]