Euy's AP Psychology Blog

Thursday, September 07, 2006

Principles of Biological Psychology

1. Everything psychological is simultaneously biological.

Any emotion we feel and any feeling we encounter is our biological occurrence. When we receive a rush of pleasure when we are exercising, it is due because the release of endorphins in our body, and when we move our hand to turn a page of a book, millions of neurons work together to fire impulses to and from our nervous system.

2. The nervous system is complexity build from simplicity.

Neuron is simple in its structure, but many neurons are gathered together to form small subsystems, which form subsystems, which at the end form our nervous system. A neuron’s purpose is just to fire or not fire neuron impulses, but just because of this simplicity, human’s complex nervous system is created and it enables human to do the things we do.

3. The brain is both specialized and integrated.

Human’s brain is consisted of many parts, which control different functions of a human body, but these parts have to work together to enable humans to be fully functional. For example, the parts that control the listening, talking, and thinking have to work together to make a person be able to speak and carry on a conversation

4. The nervous system is “plastic” especially at early ages of development.

An infant is born with many more neurons than an adult, but these neurons are not connected together; when infant grows, neurons would start to make connections and excess neurons will disappear. Experiences shape babies to be a particular type of adult with a particular culture. If an infant’s brain is destroyed or cut in half, he or she will not experience any type of mental illness due to the brain’s ability to enormously develop during the early stages.

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