We now understand that every mental state and every mental disorder is a disorder of brain function. Treatments work by altering the structure and fu… - Eric Kandel

A brain scan may reveal the neural signs of depression, but a Beethoven symphony reveals what that depression feels like. Both perspectives are necessary if we are to fully grasp the nature of mind, yet they are rarely brought together.

The Copernican revolution... revealed that the earth is not the center of the universe... The second, the Darwinian revolution... revealed that we are not created divinely or uniquely but instead evolved from simpler animals by a process of natural selection. The third great revolution, the Freudian revolution of Vienna 1900, revealed that we do not consciously control our own actions but are instead driven by unconscious motives. This... later led to the idea that human creativity... stems from conscious access to underlying, unconscious forces.

Segregation occurs in the primary visual area of the cortex, which gives rise to two parallel pathways. ...the "what" pathway, carries information about the form of an object... the "where" pathway, carries information about the movement of the object in space: where the object is located.