INTRODUCTION

2nd home page, PROCESSES IN BIOLOGICAL VISION, a book from VISION CONCEPTS
blank
Company Logo

RESOURCES
Neuron Home Page
Main Home Page
Synopsis
Tutorial
Table of Contents
Download Files
Standard Human Eye
Performance Descriptors
Top Level Block & Circ. Diagram
COMMUNICATIONS
Questions & Comments
Links
About Us

  HOMEPAGE (continued) of VISION CONCEPTS
blank
 wide blank


THE BASIS OF THE NEURAL SYSTEM

CONTENTS OF THE OVERALL WORK

The overall Theory found in PROCESSES IN BIOLOGICAL VISION defines four distinct stages in the visual process,

1. Signal Generation
2. Signal Manipulation (in the retina)
3. Signal Projection
4. Signal Manipulation and Perception (in the cortex)

Each of these stages depends on an understanding of the operation of the neuron in order to understand the operation of that stage of vision.

In addition, there is an overlay that involves several of these stages and is critical to the visual system. This overlay forms the closed loop servomechanism that generates the signal known as tremor. This tremor converts the basic visual system from a change detector (as in many lower animals) to an imager (as found in man and many higher animals).

The functional operation of the neural system is key to the understanding of the signal handling capability of each of these stages.

The Theory introduces a number of concepts that are well developed in other scientific disciplines but have not previously been recognized in the field of vision. The result is a completely new theoretical foundation of both the neural system and the process of vision in all animals. The Theory shows that the neural process is completely electrolytic in character and highly dependent on the properties of liquid crystalline materials. It also develops the detailed signaling properties of the various neurons and shows the specific role of the glutamates is that of an electrostenolytic power source unrelated to the signaling function.

Based on these new concepts, the Theory is illustrated via a series of comprehensive block, schematic and circuit diagrams. Two parallel signal paths that extend from the cornea of the eye to the perceptual region of the cortex are diagramed in detail. In a specific case, the complete signal path is diagramed, down to the specific circuit level. This path is along the afferent neural path from the cornea to the midbrain and then back to the oculomotor muscles of the eye along the efferent neural path. It is shown that this path (mentioned above) constitutes a complete loop of a servomechanism system.

The Theory and models together provide details of the operation of the visual system of animals not discussed elsewhere in the literature. The presentation of the Main Theory is grouped into five parts:

PART A: Environment and Physiology of Visiontable of contentsread Intro.down load
PART B: Bioelectochemistry of the Photoreceptortable of contentsread Intro.down load
PART C: Electrochemistry of the Visual Neuronstable of contentsread Intro.down load
PART D: Detailed Modeling of the Overall Visual Processtable of contentsread Intro. down load
PART E: Overall Performance of the Visual Systemtable of contentsread Intro.down load

and a set of APPENDICES. These appendices contain short technical vignettes (such as on color constancy), longer studies (such as the visual architecture of Limulus), and a series of suggested thesis topics for upper level students.

A Synopsis of the overall work is also available. The Synopsis, by its nature, is not able to defend the positions taken. This is done exhaustively in the main text.

A Preface is also provided. It attempts to codify some of the conceptual and philosophical considerations leading to this work.

A new expanded tabulation of the Characteristics of the Standardized Human Eye and the Characteristics of the Fundamental Neuron are also presented. Finally, a new set of graphs describing the overall performance of the Human Eye are also presented.

MISCELLANEOUS

Where possible, terminology consistent with earlier investigators is preserved. However, in many cases, previously held concepts and hypotheses are discarded in favor of new more precise concepts. In other cases, the old concepts are shown to be more limited in their applicability than previously suggested. A large GLOSSARY is provided summarizing the terminology used in this work and the field of vision.

Numbers in square brackets appearing on this site are references to the paragraphs of the book, "Processes in Animal Vision". As individual Chapters of the book "PROCESSES IN ANIMAL VISION" become editorially acceptable, they are made available here as Portable Document Files (.pdf)

Most other theories of vision, including many of the less comprehensive ones, are reviewed in Chapter 19 of the above material. To minimize controversy, This Chapter is available from the Author upon request.

The author would appreciate any editorial comments, questions or clarifications from interested readers prior to the formal publication of the book. Such comments can be provided using the attached FORM.

The entire work is copyrighted and includes trademarked terms. For permission to reproduce parts of this work, and other information, please see the CITATIONS page.

blank
blank
Copyright Vision Concepts