Lecture 5 Core Concepts

Lecture 5 Core Concepts - Why do we need to know about this...

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Why do we need to know about this stuff in a psychology class. - In order to understand the function of the brain, you need to understand the parts that it’s made up of, and how those parts work. - Knowing this will help us understand what’s going on (on the cellular level) when something wrong happens to an individual (e.g. depression, schizophrenia, etc). - This might some day allow us to explain all psychological behaviors at a more specific level (chemical and electrical events). - Understanding how the brain works helps understand behavior The Neuron - Neurons are responsible for every single thing we do - Neurons are nerve cells that receive and transmit information throughout the body. - Your body has roughly 80-100 billion neurons in it. - Neurons are located throughout our body with the majority of them being located in the brain. - Neurons come in a number of different sizes and are utilized in a number of different ways. The Main Types of Neurons - Sensory Neurons o Primarily located in the body (not the brain). o Concentrated near sensory organs. o Their job is to sense stimuli and then send an electrochemical signal from the sensory organ that was activated to the central nervous system (CNS). -
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Lecture 5 Core Concepts - Why do we need to know about this...

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