PS251, Lec 4: 09/11/2013
Look at Sid’s notes.
Hypothalamus: controls homeostasis.
Things go through your Amygdala first. Impulsiveness.
Freud’s second period: Fantasy and instinct: 1911:
Captures his most interesting ideas about Psychoanalysis.
1. Libido: psychological energy. We don’t have infinite amounts of it. Freud said it was somewhat limited.
Ex. Depressed people ruminate (have repeated negative thoughts) and have trouble concentrating. Freud
came up with the term Libido to talk about psychological energy. Libido attached itself with things that are
meaningful for us.
Cathexis: process of taking libido and attaching it to something. Ex. When you really want something
you spend so much