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Adapting the neural coding of image motion to low light levels and to changes in light level
Reference
S10127
Principal Investigator / Supervisor
Professor Simon Laughlin
Co-Investigators /
Co-Supervisors
Institution
University of Cambridge
Department
Zoology
Funding type
Research
Value (£)
148,112
Status
Completed
Type
Research Grant
Start date
01/04/1999
End date
01/09/2002
Duration
41 months
Abstract
We will study a fundamental problem in visual neuroscience. How do motion coding neurons operate effectively at low light levels and extend their operating range by adapting to changes in light level? We take advantage of the facilities offered by insect visual systems. By intracellular recording we identify and analyse the responses of motion sensitive neurons in the lobula plate. A comparison of similar neurons in nocturnal and diurnal species will indicate the neural specialisations required for operations at low light levels. We will investigate how neurons adapt their properties to changes in light level, and model the contributions that these factors make to performance. We will compare photoreceptor performance in nocturnal and diurnal species to determine the contributions made by retinal design and neural processing to nocturnality.
Summary
unavailable
Committee
Closed Committee - Animal Sciences (AS)
Research Topics
X – not assigned to a current Research Topic
Research Priority
X – Research Priority information not available
Research Initiative
X - not in an Initiative
Funding Scheme
X – not Funded via a specific Funding Scheme
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