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Scoop.it!
Are you a master of technology in which you use it as a tool to enhance the quality of your life? Or are you addicted to your technology such that it actually hurts the quality of your life? There is a growing body of evidence indicating that overuse of technology has the same neurochemical effects—a shot of dopamine, our bodies’ way of rewarding us—as do addictions to alcohol, drugs, sex, and gambling. 
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Whether it's the Beatles or Beethoven, people like music for the same reason they like eating or having sex: It makes the brain release a chemical that gives pleasure, a new study says.
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In the early 1970s, receptors for neurotransmitters acting via second messengers had not been identified biochemically nor were there definitive links to such messengers. The discovery by John W. Kebabian and Paul Greengard of a dopamine-sensitive adenyl cyclase, accordingly, was a giant step forward. The investigators first characterized the enzyme in sympathetic ganglia wherein dopamine-producing cells link pre- and post-synaptic neurons. Then, in the corpus striatum, the brain area enriched in dopamine, they delineated the enzyme\x{2019}s properties and showed that it was inhibited by antipsychotic drugs, leading to a large body of research on dopamine as a mediator of antipsychotic drug action and putative roles for this transmitter in the pathophysiology of schizophrenia.
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Whether someone is a "go-getter" or a "slacker" may depend on individual differences in the brain chemical dopamine, according to new research in the May 2 issue of the Journal of Neuroscience.
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aul Howard-Jones thinks he knows the answer to a question that has long puzzled both parents and professors: Why is it that the same teenagers who turn sullen and despondent when faced with a half hour of learning French verbs or organic compounds are happy to spend hours mastering the computer game Minecraft’s physics engine or the counterfactual history in Call of Duty?
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