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Lecture 5

PSY333 - Lecture 5.docx

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Gordon Anderson

Factors that Influence Behaviour-Change Decisions - Enabling factors: things that help you to change behaviours - Reinforcing factors: can never be enough o Need to reward yourself when you do accomplish a behaviour Expectancy Value Theory - anticipated or expected outcome of the behaviour - value assigned to the outcome (positive or negative) secrete growth hormone while you sleep Stages of Change Model - it is because less than 20 percent of us are prepared to take action o whole different thing to WANT to do something - proposes a series of stages that lead to change Stages: - precontemplation: haven’t thought about it (plant the seed) - contemplation: think about it - preparation: now need to gather resources to cope o ex. Quitting smoking: getting supports in action (hotline, support groups, nicotine patch) - action: take action o ex. Joining support group, etc. - maintenance: must maintain it - have to give them time to prepare o CASE STUDY!!! Going to give a set of recommendations (where are they in this health behaviour change?)  Ex. If a person doesn’t really believe it’s bad, they’re not going to quit even though they continue saying they’re going to Information Seeking - Monitors o Every detail o Ex. Doctor’s office, and tells you you’re diagnosed with osteoporosis  Monitor would need to see the paper work, rate, diet, etc. • Want to know EVERY DETAIL about it - Blunters o Nothing more than I need to know  Don’t want to know anything more than the diagnosis because they are shutting down, the diagnosis itself is overwhelming The Path to Behaviour Change - External vs. internal locus of control o External: belief that someone or something else controls a situation o Internal: belief in power over one’s actions - Significant others as change agents o Family o Friends and significant others (social support) Overlapping ideas from all the models - strong, positive intention to change - minimize the barriers - possess the skills - “believe” in the intervention - perceive the behaviour as normal - consistent with self-schema - “feel” good about the behaviour - receive reinforcement from your environment - omega-6 responsible for pro-inflammatory cytokines (increase inflammation) - omega-3 responsible for anti-inflammatory cytokines (decrease inflammation) - don’t fry olive oil – breaks down into carcinogens quickly (stimulate cancer cells) Depression - 2 weeks - Anhedonia o Lack of being able to feel pleasure - Destroying hippocampus o High levels of glucocorticoids very bad - depression involves abnormal levels of the neurotransmitters serotonin, dopamine, and norepinephrine - don’t know how anti-depressants work Classes of Meds and what they do - Tricyclics o Result:  Serotonin gets excreted in synapse, and tricyclics shut down those receptors, so serotonin stays in synapse for a longer period of time - MAO inhibiters o Result:  Longer period of time they are active  Chemically not active  Not breaking down Neuroanatomy of Depression - ACC really connected to emotion o Related to the feeling of pain - PFC o Right PFC fu
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