The name is absent

Illustrations

3.1 Whole-CellHCNcurrents.............................. 25

3.2 Immunohistochemical staining and Western Blot................ 29

3.3 HCN single channel conductance.......................... 32

3.4 SimulatedHCNcurrent........................... 36

3.5 HCN and membrane frequency response..................... 38

3.6 Circuit model analog................................. 41

3.7 Model predicted frequency response........................ 42

3.8 HCN role in the rod and cone light response ..................„ 45

3.9 HCN contribution to photoreceptor impulse response....... 47

4.1 Effect of TEA and ZD 7288 on rod light response................ 58

4.2 SimulationofhandKxconductances....................... 60

4.3 Illustration of current flow in the rod network.................. 63

4.4 Model of a cone with HC feedback................ 68

4.5 SimulationofHCfeedbacktocone......................... 70

5.1 Rodresponsetobaroflight............................. 74

5.2 Deconvolvedrodnetworkresponses........................ 76

5.3 Estimatedspaceconstantofofrodnetwork................ 77

5.4 Voltage clamp in the rod network.......................... 82

5.5 Superposition of point sources ............. 83

5.6 One dimensional cable..................... 88

5.7 Length constant and input impedance vs R_c∣R_m................ 96

5.8 Impulse response and frequency response of networked cells ......... 97

5.9 Estimated Ri_n2D from voltage clamp........................IOO

5.10 Rodnetworkresponseandexamplegratings...................103

5.11 Responseoftherodnetworktospatialfrequencies ......... 105

5.12 Signal-to-noise ratio in the coupled vs uncoupled network...........106