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Psychology. Neurotransmitters include dopamine which "influences movement, learning, attention and emotion. Too much has been linked to schizophrenia. Serotonin affect mood, hunger, sleep and arousal. Norepinephrine helps control alertness and arousal. Cocaine aids arousal, too. Endorphins are natural opiates and pain killers..

This page is about Psychology, especially "Neurotransmitters include dopamine which "influences movement, learning, attention and emotion. Too much has been linked to schizophrenia. Serotonin affect mood, hunger, sleep and arousal. Norepinephrine helps control alertness and arousal. Cocaine aids arousal, too. Endorphins are natural opiates and pain killers.".

Dick's Guide to Psychology. Neurotransmitters include dopamine which "influences movement, learning, attention and emotion. Too much has been linked to schizophrenia. Serotonin affect mood, hunger, sleep and arousal. Norepinephrine helps control alertness and arousal. Cocaine aids arousal, too. Endorphins are natural opiates and pain killers..

Material in quotation marks, unless otherwise attributed, is from Exploring Psychology by David G. Meyers

If you want a 2002 edition of this book, well marked with information and question answers, send $25 to Dick Amann, 1348 Eisenhower Drive, Box 16811, Savannah, GA 31416-16811
 

Also see these other psychology sites.

Origins of psychiatry

Guide to Psychology and its originating fields of science.

William Wundt, the worlds first psychological experimenter with his own university laboratory.

Guide to Psychology. Introspection and psychology and William Wundt

John Watson redefines psychology as the science of behavior

Psychology as defined today

What is behavior and its role in psychology?

What is the mental process

Comparison of psychology and psychiatry

The four goals of psychology

Careers in psychology

   Clinical and counseling psychologists

   Community psychologists

   Psychology uses the scientific method

Guide to Psychology. In psychological research the aim is to get reliability, replicable results, representative results and validity.

In psychological research the population of an experiment is "all the cases in a group from which samples may be drawn to study"

In psychological research a random sampling is "a sample that fairly represents a population because each member has an equal chance of inclusion"

In psychological experiments, the independent variable is manipulated to see how it affect the dependent variable, i.e. behavior or mental process

Psychological research can involve experiments that explore cause and effect relationships, correlational studies that determine naturally occurring relationships and descriptive studies that record and observe behavior

Franz Gall (early 1800's) invented phrenology to determine peoples' mental abilities and character traits by studying the bumps on people's heads.

Phineas Gage was a railroad employee in 1848 whose frontal lobe was impaled by a metal rod. His mental abilities and memories were intact, but his personality changed. From a soft spoken, friendly guy he became an irritable, profane and dishonest.

A neuron is a "nerve cell; the basic building block of the nervous system", where "bushy dendrites receive information while axons pass it along to other neurons, muscles or glands"

The myelin sheath "insulates the axons of some neurons and helps speed their impulses". In multiple sclerosis the myelin sheath decays.

A synapse is the junction at which the axon of one neuron sends chemical messengers (neurotransmitters) to the dendrites of another nerve cell.

Guide to Psychology. Neurotransmitters include dopamine which "influences movement, learning, attention and emotion. Too much has been linked to schizophrenia. Serotonin affect mood, hunger, sleep and arousal. Norepinephrine helps control alertness and  arousal. Cocaine aids arousal, too. Endorphins are natural opiates and pain killers.

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