The aim of Cognitive Behavioural Therapy is to help people understand that their negative beliefs or ‘negative self-talk’ are often inaccurate and can lead to self-defeating emotions and behaviours. Aaron Beck developed cognitive therapy; putting forward the view that emotions and behaviours are primarily determined by what or how a person thinks. It is particularly relevant in treating depression, where thoughts of low self-worth and low self-esteem are common. It works on the premise that thoughts of low self-worth are inaccurate and are due to faulty learning. The aim of therapy is to challenge these inaccurate, negative thoughts to help people feel better emotionally.