Affiliation:
1. Centre for Theoretical Neuroscience, University of Waterloo, Waterloo, ON N2J 3G1, Canada.
Abstract
Modeling the Brain
Neurons are pretty complicated cells. They display an endless variety of shapes that sprout highly variable numbers of axons and dendrites; they sport time- and voltage-dependent ion channels along with an impressive array of neurotransmitter receptors; and they connect intimately with near neighbors as well as former neighbors who have since moved away. Simulating a sizeable chunk of brain tissue has recently become achievable, thanks to advances in computer hardware and software.
Eliasmith
et al.
(p.
1202
; see the Perspective by
Machens
) present their million-neuron model of the brain and show that it can recognize numerals, remember lists of digits, and write down those lists—tasks that seem effortless for a human but that encompass the triad of perception, cognition, and behavior.
Publisher
American Association for the Advancement of Science (AAAS)
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