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The Neuron

It is the individual nerve cell, the building block of the brain. It transmits nerve impulses over a single long fiber (the axon) and receives them over numerous short fibers (the dendrites)

By Charles F. Stevens

The Development of the Brain

As the human brain develops in utero it gains neurons at the rate of hundreds of thousands a minute. One problem of neurobiology is how the neurons find their place and make the right connections

By W. Maxwell Cowan

The Chemistry of the Brain

Signals are sent from one neuron to another by diverse chemical transmitters. These chemical systems, overlaid on the neuronal circuits of the brain, add another dimension to brain function

By Leslie L. Iversen

Specializations of the Human Brain

Certain higher faculties, such as language, depend on specialized regions in the human brain. On a larger scale the two cerebral hemispheres are specialized for different kinds of mental activity

By Norman Geschwind

Thinking about the Brain

Reflecting on itself, the human brain has uncovered some marvelous facts. What appears to be needed for understanding how it works is new techniques for examining it and new ways of thinking about it

By F. H. C. Crick


  • 50 and 100 Years Ago, September 1979

  • The Brain

  • Small Systems of Neurons

  • Science and the Citizen, September 1979

  • The Organization of the Brain

  • Brain Mechanisms of Vision

  • Brain Mechanisms of Movement

  • Disorders of the Human Brain

  • The Amateur Scientist, September 1979

  • Bibliography, September 1979

  • Letters

    Letters to the Editors, September 1979

  • Recommended

    Books, September 1979

  • Mathematical Recreation

    Mathematical Games, September 1979

  • Departments

    The Authors, September 1979

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September 1979

Think Outside the Gift Box