The Cat Primary Visual Cortex (eBook, PDF)

Redaktion: Payne, Bertram; Peters, Alan

• Format: PDF

Produktbeschreibung

Written by experts on the forefront of investigations of brain function, vision, and perception, the material presented is of an unparalleled scientific quality, and shows that analyses of enormous breadth and sophistication are required to probe the structure and function of brain regions. The articles are highly persuasive in showing what can be achieved by carrying out careful and imaginative experiments. The Cat Primary Visual Cortex should emerge as essential reading for all those interested in cerebral cortical processing of visual signals or researching or working in any field of vision.

• Comprehensive account of cat primary visual cortex
• Generous use of illustrations including color
• Covers research from structure to connections to functions
• Chapters by leaders in the field
• Topics presneted on multiple, compatible levels

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Produktdetails

• Verlag: Elsevier Science & Techn.
• Seitenzahl: 725
• Erscheinungstermin: 17. November 2001
• Englisch
• ISBN-13: 9780080525327
• Artikelnr.: 38114405

Inhaltsangabe

Preface

1 The Concept of Cat Primary Visual Cortex

Prologue

Milestones in the Development of the Concept of Cat Primary Visual Cortex

Connections

Composition of Area 17

Comparison of the Architectonics of Areas 17 and 18 and Identification of Borders

Visual Maps in Areas 17 and 18

Circuitry and Signal Processing in Areas 17 and 18

Visually Guided Behavior

Synthesis

Recent Challenges to the Primacy of Areas 17 and 18

Epilogue

2 Optical Imaging of Functional Architecture in Cat Primary Visual Cortex

Introduction

Methodological Aspects of Optical Imaging

Optical Imaging of Functional Maps in Cat Visual Cortex

Relationships between Columnar Systems

Comparison with the Functional Architecture in Other Species

Concluding Remarks

3 2-Deoxyglucose Architecture of Cat Primary Visual Cortex

Introduction

Orientation Domains

Ocular Dominance Domains

Spatial Frequency Domains

Development and Experience-Dependent Changes of Cortical Maps

Advantages and Disadvantages of the 2-DG Technique

Outlook

4 Functional Mapping in The Cat Primary Visual Cortex Using High Magnetic Fields

Introduction

Limitations of Current Techniques, or Why We Need Another Mapping Technique

Functional Magnetic Resonance Imaging

Functional MRI of the Cat Primary Visual Cortex

Conclusions

5 Relationships of LGN Afferents and Cortical Efferents to Cytochrome Oxidase Blobs

Parallel Processing in the Mammalian Visual System

Organization of CO Staining in Cat Primary Visual Cortex

Geniculate Inputs to the CO Blobs

Molecular Markers for Other Blob/Interblob Inputs

Outputs of the CO Blobs

Projections to Area 19

Comparisons with Primates

Conclusions

6 INFLUENCE OF TOPOGRAPHY AND OCULAR DOMINANCE ON THE FUNCTIONAL ORGANIZATION OF CALLOSAL CONNECTIONS IN CAT STRIATE CORTEX

Introduction

The Vertical Meridian Rule

Callosal Fibers Interlink Cortical Sites That are in Retinotopic, Rather Than Anatomical, Correspondence

Interhemispheric Correlated Activity Guides Callosal Development

Summary and Concluding Remarks

7 Essential and Sustaining LGN Inputs to Cat Primary Visual Cortex

Introduction

The Reversible Inactivation Technique

Two Circuits in Area 17

Area 18: More Integrative Than Area 17

Functional Architecture of Visual Cortex

8 Integration of Thalamic Inputs to Cat Primary Visual Cortex

Introduction

Simple Receptive Fields

Numerical Aspects of the Geniculocortical Projection

Feedforward (Thalamic) Connections and Simple Cell Responses

Intrinsic Connections and Simple-Cell Responses

Conclusions

9 The Emergence of Direction Selectivity in Cat Primary Visual Cortex

Overview

Directional Tuning: The Basics

Computational Requirements for Direction Selectivity

Biological Instantiation of Computational Principles

Origins of Cortical Timings: The Lagged/Nonlagged Cell Model

Comparison with Recent Models

Intracortical Inhibition: Experimental Evidence

How are Inputs Combined?

Intralaminar and Interlaminar Interactions

Summary and Conclusions

Future Directions

10 Long-Range Intrinsic Connections in Cat Primary Visual Cortex

Introduction

Historical Overview