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22 Oct 2010
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N psychology is a science with a special focus on behaviour. N psychology comes from word psukhe meaning breathe or soul and logo meaning word or reason. N literally psychology means the science of the mind. N psychologists explain behaviour by describing it, and becoming familiar with things that people or animals do. N learn how to categorize different types of behaviour. N events that cause other events are called casual events. N there are a wide variety of levels of explanation that is used to explain behaviour which makes psychology a diverse discipline. N human behaviour is the root of most of the worlds problems. N purpose of explaining behaviour is for intellectual curiosity for the most part. It can also solve many of the most important and pressing problems. N study learning, memory, sensory processes, emotional behaviour, motivation, sexual behaviour and sleep. N drug abuse can be explained by human physiology.