In the 1950s and early 1960s, psychoanalysis swept through the intellectual community, and it was the dominant mode of thinking about the mind. People felt that this was a completely new set of insights into human motivation, and that its therapeutic potential was significant.

Long-term memory involves enduring changes that result from the growth of new synaptic connections.

The problem of psychoanalysis is not the body of theory that Freud left behind, but the fact that it never became a medical science. It never tried to test its ideas.

Eric Kandel Quotes