PSYA01H3 Lecture : Chapter 7.docx

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4 Aug 2012
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Slide 2: both our genes and the environment affect our behavior. Slide 3: when we were born, we had some hardwired behavior (like infants know immediately to suck on a nipple when feeding the first time, or dodging reflex when something flies at you) unconditioned (automatic, you didn"t learn). Ucs- a stimuli that is automatic, like food entering your stomach. Ucr- a response to the ucs, like digestive process to the food entering. Slide 4: habituation ex: a dog seeing a mirror reflection, they bark at it at first, but eventually they ignore it. They realize that it doesn"t smell or feel like a dog, and it doesn"t have any effect on the dog, so they feel indifferent to it. Habituation- breaking the link between ucs and ucr. The role of the ucs and ucr only work when they are together. Think of it this way- if there is no response, you wouldn"t consider something a stimulus.