There Are Always Wonderful Mysteries To Confront.

When A Male Vole Repeatedly Mates With A Female, A Hormone Called Vasopressin Is Released In His Brain. The Vasopressin Binds To Receptors In A Part Of The Brain Called The Nucleus Accumbens, And The Binding Mediates A Pleasurable Feeling That Becomes Associated With That Female. This Locks In The Monogamy, Which Is Known As Pair-bonding. If You Block This Hormone, The Pair-bonding Goes Away.

A Typical Neuron Makes About Ten Thousand Connections To Neighboring Neurons. Given The Billions Of Neurons, This Means There Are As Many Connections In A Single Cubic Centimeter Of Brain Tissue As There Are Stars In The Milky Way Galaxy.

The Main Thing Known About Secrets Is That Keeping Them Is Unhealthy For The Brain.

Behavior Is The Outcome Of The Battle Among Internal Systems.

One Of The Most Pervasive Mistakes Is To Believe That Our Visual System Gives A Faithful Representation Of What Is "out There" In The Same Way That A Movie Camera Would.