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SUMMARY:Student Project Presentations: "Redundancy in Turing machines"\;  
 "A two button implementation of Dasher" and "Relationships between energy 
 and information in fly retina" - R.J. Henderson\, Tim Ward\, and Mike Bake
 r
DTSTART:20060307T140000Z
DTEND:20060307T153000Z
UID:TALK4820@talks.cam.ac.uk
CONTACT:Phil Cowans
DESCRIPTION: R.J. Henderson\,     Churchill  College:         "Redundancy 
 in Turing machines"\n   Tim Ward\,  St Catharine's:    "A two button imple
 mentation of Dasher"\nMike Baker: \nRelationships between energy and infor
 mation in fly retina\n\n\nAbstract for 3rd talk: Retinal photoreceptors an
 d neurons use significant amounts of\nenergy to capture and code optical i
 nformation and also adjust their\ngains to match prevailing light levels. 
 This project applies information\ntheory to biophysical models of signalli
 ng in fly retina to test whether\nphotoreceptors adjust their gains to opt
 imise their energy efficiency.\nThe theoretical predictions can be tested 
 by recording electrical\nsignals from fly photoreceptors\, measuring how t
 hey adjust their gain in\nresponse to changing light levels and estimating
  their energy\nconsumption from their input resistance. The project provid
 es an\naccessible introduction to neural coding and systems biology\, and 
 (if\ndesired) experimental techniques for recording from single nerve cell
 s.\nA detailed knowledge of neural coding and cell biology is not required
 .\n\n
LOCATION:Ryle Seminar Room\, Cavendish Laboratory
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