...Barbara-Anne Battelle; Karen E. Kempler; Alexander K. Parker; Cristina D. Gaddie SUMMARY Dark and light adaptation in photoreceptors involve multiple processes including those that change protein concentrations at photosensitive membranes. Light- and dark-adaptive changes in protein levels...

... optimal for feeding. * Author for correspondence (e-mail: [email protected] ) 3 5 2007 © The Company of Biologists Limited 2007 2007 zebrafish behavior tracking locomotion light adaptation visual startle escape masking Circuit level descriptions of how...

... pigment molecule per rhodopsin increased the photoreceptor absorption by 14-18% with respect to pure rhodopsin, whilst two sensitizing pigment molecules per rhodopsin increased the absorption by 20-27%. Upon light adaptation, when the pupil mechanism is activated,photoreceptor absorption decreases...

... in the distribution of energy). This trade-off can be carefully regulated to maximize the information gathered (i.e. the number of pictures an eye can reconstruct). Similar trade-offs can be performed neurally by area summation mechanisms. Light adaptation in photoreceptors introduces the roles played by cellular...