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Anatomically distinct dopamine release during anticipation and experience of peak emoti... - 0 views

www.nature.com/...nn.2726.html Anatomically distinct dopamine release during anticipation and experience of peak emotion to music : Nature Neuroscience Publishing Group
shared by thinkahol * on 23 Jan 11 - No Cached
  • thinkahol * on 23 Jan 11
     
    Music, an abstract stimulus, can arouse feelings of euphoria and craving, similar to tangible rewards that involve the striatal dopaminergic system. Using the neurochemical specificity of [11C]raclopride positron emission tomography scanning, combined with psychophysiological measures of autonomic nervous system activity, we found endogenous dopamine release in the striatum at peak emotional arousal during music listening. To examine the time course of dopamine release, we used functional magnetic resonance imaging with the same stimuli and listeners, and found a functional dissociation: the caudate was more involved during the anticipation and the nucleus accumbens was more involved during the experience of peak emotional responses to music. These results indicate that intense pleasure in response to music can lead to dopamine release in the striatal system. Notably, the anticipation of an abstract reward can result in dopamine release in an anatomical pathway distinct from that associated with the peak pleasure itself. Our results help to explain why music is of such high value across all human societies.
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Musical chills: Why they give us thrills - 0 views

www.sciencedaily.com/...110112111117.htm Musical chills: Why they give us thrills
shared by thinkahol * on 13 Jan 11 - No Cached
  • thinkahol * on 13 Jan 11
     
    ScienceDaily (Jan. 12, 2011) - Scientists have found that the pleasurable experience of listening to music releases dopamine, a neurotransmitter in the brain important for more tangible pleasures associated with rewards such as food, drugs and sex. The new study from The Montreal Neurological Institute and Hospital -- The Neuro at McGill University also reveals that even the anticipation of pleasurable music induces dopamine release [as is the case with food, drug, and sex cues]. Published in the journal Nature Neuroscience, the results suggest why music, which has no obvious survival value, is so significant across human society.
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Keeping Marriage Alive with Affairs, Asexuality, Polyamory, and Living Apart | Psycholo... - 0 views

www.psychologytoday.com/...ity-polyamory-and-living-apart Keeping Marriage Alive with Affairs Asexuality Polyamory and Living Apart | Psychology Today
shared by thinkahol * on 03 Jun 11 - No Cached
  • thinkahol * on 03 Jun 11
     
    In my previous post, I introduced you to the first part of Pamela Haag's provocative new book, Marriage Confidential: The Post-Romantic Age of Workhorse Wives, Royal Children, Undersexed Spouses, and Rebel Couples Who Are Rewriting the Rules. The 21st century, she argues, is a post-romantic age of melancholy marriages. The couples are not acutely stressed nor entangled in constant conflict - they are just melancholy. They signed up for the marriage pact and lost a vital part of themselves in the process. In that first post, I reviewed some of the problems that Haag diagnosed as plaguing some contemporary marriages. Here, I will go through a few of them and tell you about some of the solutions Haag learned about in her research and interviews. Remember, her goal is not to generate alternatives to marriage but alternatives within marriage that have the potential to keep the marriages together. To longtime readers of Living Single, I bet you will anticipate the conclusion I am leading up to before you get to the end of this post.
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Connection to your future self impacts your financial decision-making | KurzweilAI - 0 views

www.kurzweilai.net/your-financial-decision-making Connection to your future self impacts financial decision-making | KurzweilAI
shared by thinkahol * on 16 Jul 11 - No Cached
  • thinkahol * on 16 Jul 11
     
    How connected consumers feel (or don't feel) to their future selves impacts their spending and savings decisions, researchers at Columbia Business School and The University of Chicago Booth School of Business have determined. The researchers conducted a series of experiments that manipulated the degree to which subjects felt connected to their future selves. When discontinuity with the future self is anticipated, people behave more impatiently - speeding up the consumption of utility (in this case, gift cards) - more than when connectedness to the future self is expected. The researchers asked a group of college seniors - three weeks before graduation - to read a passage that described college graduation either as an event that would prompt a major change in their identities or as an event that would prompt only a relatively trivial change. Compared to students who read the passage describing graduation as a small change, those who read a description of the event as a major change were much more likely to make more impatient choices, choosing to receive a gift certificate worth $120 in the next week rather than wait a year for up to $240. Their work suggests that people can be motivated to hold onto their money, or make more prudent decisions by increasing their sense of connectedness to their future selves, the researchers said. Ref.: Daniel M. Bartels & Oleg Urminsky, On Intertemporal Selfishness: How the Perceived Instability of Identity Underlies Impatient Consumption, Journal of Consumer Research, 2011; [DOI: 10.1086/658339]
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Understanding the Anxious Mind - NYTimes.com - 0 views

www.nytimes.com/...04anxiety-t.html anxiety psychology brain emotional_control
shared by nat bas on 03 Oct 09 - No Cached
  • But some people, no matter how robust their stock portfolios or how healthy their children, are always mentally preparing for doom. They are just born worriers, their brains forever anticipating the dropping of some dreaded other shoe. For the past 20 years, Kagan and his colleagues have been following hundreds of such people, beginning in infancy, to see what happens to those who start out primed to fret. Now that these infants are young adults, the studies are yielding new information about the anxious brain.
  • Four significant long-term longitudinal studies are now under way: two at Harvard that Kagan initiated, two more at the University of Maryland under the direction of Nathan Fox, a former graduate student of Kagan’s. With slight variations, they all have reached similar conclusions: that babies differ according to inborn temperament; that 15 to 20 percent of them will react strongly to novel people or situations; and that strongly reactive babies are more likely to grow up to be anxious.
  • In the brain, these thoughts can often be traced to overreactivity in the amygdala, a small site in the middle of the brain that, among its many other functions, responds to novelty and threat. When the amygdala works as it should, it orchestrates a physiological response to changes in the environment. That response includes heightened memory for emotional experiences and the familiar chest pounding of fight or flight. But in people born with a particular brain circuitry, the kind seen in Kagan’s high-reactive study subjects, the amygdala is hyperreactive, prickly as a haywire motion-detector light that turns on when nothing’s moving but the rain. Other physiological changes exist in children with this temperament, many of them also related to hyperreactivity in the amygdala. They have a tendency to more activity in the right hemisphere, the half of the brain associated with negative mood and anxiety; greater increases in heart rate and pupil dilation in response to stress; and on occasion higher levels of the stress hormones cortisol and norepinephrine.
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  • The physiological measurements led them to believe something biological was at work. Their hypothesis: the inhibited children were “born with a lower threshold” for arousal of various brain regions, in particular the amygdala, the hypothalamus and the hypothalamic-pituitary-adrenal axis, the circuit responsible for the stress hormone cortisol.
  • At age 4, children who had been high-reactive were four times as likely to be behaviorally inhibited as those who had been low-reactive. By age 7, almost half of the jittery babies had developed symptoms of anxiety — fear of thunder or dogs or darkness, extreme shyness in the classroom or playground — compared with just 10 percent of the more easygoing ones. About one in five of the high-reactive babies were consistently inhibited and fearful at every visit up to the age of 7.
  • By adolescence, the rate of anxiety in Kagan’s study subjects declined overall, including in the high-risk group. At 15, about two-thirds of those who had been high-reactors in infancy behaved pretty much like everybody else.
  • PEOPLE WITH A nervous temperament don’t usually get off so easily, Kagan and his colleagues have found. There exists a kind of sub-rosa anxiety, a secret stash of worries that continue to plague a subset of high-reactive people no matter how well they function outwardly. They cannot quite outrun their own natures: consciously or unconsciously, they remain the same uneasy people they were when they were little.
  • Teenagers who were in the group at low risk for anxiety showed no increase in activity in the amygdala when they looked at the face, even if they had been told to focus on their own fear. But those in the high-risk group showed increased activity in the amygdala when they were thinking about their own feelings (though not when they were thinking about the nose). Once again, this pattern was seen in anxiety-prone youngsters quite apart from whether they had problems with anxiety in their daily lives. In the high-risk kids, even those who were apparently calm in most settings, their amygdalas lighted up more than the others’ did.
  • Behaviorally inhibited children were much more likely to have older siblings: two-thirds of them did, compared with just one-third of the uninhibited children. Could having older siblings, he and his co-authors wondered, mean being teased and pushed, which becomes a source of chronic stress, which in turn amplifies a biological predisposition to inhibition?
  • high-reactive babies who went to day care when they were young were significantly less fearful at age 4 than were the high-reactives who stayed home with their mothers.
  • The predictive power of an anxiety-prone temperament, such as it is, essentially works in just one direction: not by predicting what these children will become but by predicting what they will not. In the longitudinal studies of anxiety, all you can say with confidence is that the high-reactive infants will not grow up to be exuberant, outgoing, bubbly or bold. Still, while a Sylvia Plath almost certainly won’t grow up to be a Bill Clinton, she can either grow up to be anxious and suicidal, or simply a poet. Temperament is important, but life intervenes.
  • nat bas on 03 Oct 09
     
    This is a good article that looks at how anxiety happens- it is more or less something you are born with, but you learn to live with, if you are intelligent about it. Liked it. Good writing.
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shared by globalshop22 on 10 Jul 24 - No Cached
  • globalshop22 on 10 Jul 24
     
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shared by globalshop22 on 10 Jul 24 - No Cached
  • globalshop22 on 10 Jul 24
     
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