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The Visual Image in Mind and Brain

In analyzing the distinct attributes of images, the brain invents a visual world. Unusual forms of blindness show what happens when specialized parts of the cortex malfunction

By Semir Zeki

The Biological Basis of Learning and Individuality

Recent discoveries suggest that learning engages a simple set of rules that modify the strength of connections between neurons in the brain. These changes play an important role in making each individual unique

By Eric R. Kandel and Robert D. Hawkins

Brain and Language

A large set of neural structures serves to represent concepts; a smaller set forms words and sentences. Between the two lies a crudal layer of mediation

By Antonio R. Damasio and Hanna Damasio

Sex Differences in the Brain

Cognitive variations between the sexes reflect differing hormonal influences on brain development. Understanding these differences and their causes can yield insights into brain organization

By Doreen Kimura

Major Disorders of Mind and Brain

Schizophrenia and manic-depressive illness are shaped by heredity and marked by structural and biochemical changes In the brain. The predisposing genes remain unknown

By Elliot S. Gershon and Ronald O. Rieder

How Neural Networks Learn from Experience

Networks of artificial neurons can learn to represent complicated information. Such neural networks may prOvide inSights into the learning abilities of the human brain

By Geoffrey E. Hinton

The Problem of Consciousness

It can now be approached by scientific investigation of the visual system. The solution will require a close collaboration among psychologists, neuroscientists and theorists

By Christof Koch and Francis Crick


  • Population Pressure

  • The Developing Brain

  • Working Memory and the Mind

  • Aging Brain, Aging Mind

  • Letters

    Letters to the Editors, September 1992

  • Recommended

    Book Reviews: September 1992

  • 50, 100 & 150 Years Ago

    50 and 100 Years Ago

  • Profile

    The Frustrations of a Quark Hunter

  • Amateur Scientist

    Neurons for Computers

  • Science and the Citizen

    Gravity Quantized?

  • It Came from Within

  • Noisy Nucleotides

  • Hot Ants

  • Bug in a Gilded Cage

  • Making Water Run Uphill

  • Bent Light

  • Photovores

  • Departments

    Economic Growth Factors

  • Essay: Trouble in Mind

  • Technology and Business

    Hot Potato

  • Major Developers of Genetically Engineered Foods

  • Silver Lining

  • The Hole Story

  • Underground Allies

  • Defensive Driving

  • See-Through View

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September 1992

20% Sitewide for President's Day