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In a 2004 Neuron paper, Howard Eichenbaum describes the function of the hippocampus in terms of three cognitive processes:
"The hippocampus is envisioned as critically involved in the rapid encoding of events as associations among stimulus elements and context, in the encoding of episodes as sequences of events, and in linking episodes by common features into relational networks that support flexible inferential memory expression."There is mounting evidence for the first of these cogn........ Read more »
Howard Eichenbaum. (2004) Hippocampus: cognitive processes and neural representations that underlie declarative memory. Neuron, 44(-), 109-120.
Grandmother cells were proposed as single neurons which encoded for a single concept - in this case one's Grandmother. The concept was used as a straw-man to criticise sensory hierarchy-based brain organisation theories, but the ideas underlying it are becoming increasingly accepted (not the single neuron per concept I hasten to add). In a paper by Charles Gross (2002 - full ref below), a history of the term is given, with origins and influences.
These cells were originally proposed at the........ Read more »
Charles Gross. (2002) Genealogy of the \"Grandmother Cell\". The Neuroscientist, 8(5), 512-518.
In yesterdays post, I reviewed a paper which discussed the role of emotion in autonomy. The concept of autonomy itself was found to be quite fuzzy, with definitions being dependant on the field of research in which the term is used. In an attempt to elucidate the concept, the editorial of the special issue of BioSystems on autonomy (of which the previously reviewed paper was a part) explores some of the issues involved.
Starting from the broad definition of autonomy as being self-determination ........ Read more »
Autonomy is a concept often used, but not always clearly defined. Indeed, there are a number of definitions which are used, often dependant on the context in which it is used. For example, "autonomy" may be used to refer to a mobile robot in the sense that it can move around on its own (whetever the control system used), but the same term may also be applied to a biological agent capable of defining its own goals and surviving in the real world. In the debate of autonomy, and as indica........ Read more »
Tom Ziemke. (2008) On the role of emotion in biological and robotic auonomy. BioSystems, 91(2), 401-408.
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