Bioelectronic Vision

The following sections are included:

• Preface

• Acknowledgements

• Contents

• List of Figures

• List of Tables

• List of Acronyms

The following sections are included:

• Main Causes of Blindness

• Main Components of a Bioelectronic Vision System

• Classification of Visual Prostheses
  • Retinal Neuroprosthesis
  • Cortical Visual Neuroprosthesis

• Conclusions and Further Reading

The following sections are included:

• Introduction

• The Neuron
  • Neuron Anatomy
  • Neuron Dynamics
    • Neural Communication through Chemical Synapses
    • Neural Communication through Electrical Synapses

• The Human Visual System
  • The Eye
  • The Retina
  • How the Retina Operates
  • The Visual Pathway
    • Optic Nerve and Tract
    • Subcortical structures
    • Visual Cortex

• Modeling the Retina
  • The Retina Neural Code
  • Classification of Retina Models
    • Functional Models
    • Structural Models

• Conclusions and Further Reading

The following sections are included:

• Introduction

• Spikes: The Essence of the Neural Code
  • Retina Stimulation and Responses Recording
  • Spike Trains and Firing Rates
  • Spike Triggered Average
  • Spike Train Autocorrelation Function
  • The Spike Triggered Covariance

• Stimulus and Response Statistics, and Firing Probabilities
  • Spike Train Statistics
  • Homogeneous Poisson Model of Spike Trains
    • Spike Count Distribution
    • Interspike Interval Distribution
  • Inhomogeneous Poisson Model of Spike Trains
  • Spike-count Statistics
    • Interspike Interval Distribution

• Spiking Mechanisms
  • Generation of Poisson Spike Trains
  • Integrate-and-Fire Spike Generation

• Conclusions and Further Reading

The following sections are included:

• Introduction

• Classification of Retina Models

• Structural Models
  • The Integrate and Fire Model
  • The Leaky Integrate-and-Fire Model

• Functional Models
  • Deterministic Models
  • Stochastic Models
  • White Noise based Models

• Conclusions and Further Reading

The following sections are included:

• Introduction

• The Metric Definition

• Firing Rate Metrics
  • Mean Squared Error
  • Normalized Mean Squared Error
  • Percent Variance Accounted For
  • Analysis of the Firing Rate Metrics

• Spike Train Metrics
  • Spike Time Metric
  • Interspike Interval Metric
  • Spike Train Distance Metric
  • Spike Train Metrics Analysis

• Spike Events Metrics
  • Spike Events Metric Analysis

• Tuning and Assessment of Retina Models
  • Deterministic Model
  • Stochastic Model
  • White Noise Model

• Conclusions and Further Reading

The following sections are included:

• Retinal Prostheses
  • Epiretinal Implants
  • Subretinal Implants

• Retinal Bioelectronic Vision System Design

• Cortical Visual Prostheses

• Cortical Bioelectronic Vision System Design
  • Early Layers
  • Neuromorphic Pulse Coding
  • Spike Multiplexing
  • Serial Communication Link

• Vision Prosthesis Prototype

• Conclusions and Further Reading

The following sections are included:

• Bibliography

• Index