07
gen
15

Predictably Irrational – basic human motivations: Dan Ariely at TEDxMidwest – YouTube

https://www.youtube.com/v/wfcro5iM5vw?fs=1&hl=fr_FR

Best selling author and behavioral economics professor Dan Ariely delves into the essence of human motivation. His clever yet brilliantly simple experiments …

Source: www.youtube.com

See on Scoop.itBounded Rationality and Beyond

07
gen
15

Neuroscience Fiction – The New Yorker

In the early nineteen-nineties, David Poeppel, then a graduate student at M.I.T. (and a classmate of mine)—discovered an astonishing thing. He was studying the neurophysiological basis of speech perception, and a new technique had just come into vogue, called positron emission tomography (PET). About half a dozen PET studies of speech perception had been published, all in top journals, and David tried to synthesize them, essentially by comparing which parts of the brain were said to be active during the processing of speech in each of the studies. What he found, shockingly, was that there was virtually no agreement. Every new study had published with great fanfare, but collectively they were so inconsistent they seemed to add up to nothing. It was like six different witnesses describing a crime in six different ways. But neurology on fMRI But a lot of those reports are based on a false premise: that neural tissue that lights up most in the brain is the only tissue involved in some cognitive function. The brain, though, rarely works that way. Most of the interesting things that the brain does involve many different pieces of tissue working together. Saying that emotion is in the amygdala, or that decision-making is the prefrontal cortex, is at best a shorthand, and a misleading one at that. Different emotions, for example, rely on different combinations of neural substrates. The act of comprehending a sentence likely involves Broca’s area (the language-related spot on the left side of the brain that they may have told you about in college), but it also draws on the parts of the brain in the temporal lobe that analyze acoustic signals, and part of sensorimotor cortex and the basal ganglia become active as well. (In congenitally blind people, some of the visual cortex also plays a role.) It’s not one spot, it’s many, some of which may be less active but still vital, and what really matters is how vast networks of neural tissue work together.

Source: www.newyorker.com

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06
gen
15

Brain and Law: An EEG study of how we decide or not to implement a law

ABSTRACT Brazil has introduced a referendum regarding the prohibition of firearm commerce and propaganda arguments has invoked socially and personally driven issues in the promotion of voting in favor of and against firearm control, respectively. Here, we used different techniques to study the brain activity associated with a voter’s perception of the truthfulness of these arguments and their influence on voting decisions. Low Resolution Tomography was used to identify the possible different sets of neurons activated in the analysis of the different types of propaganda. Linear correlation was used to calculate the amount information provided by different electrodes about how these sets of neurons enroll themselves to carry out this cognitive analysis. The results clearly showed that vote decision was not influenced by arguments that were introduced by propaganda, which were typically driven by specific social or self-interest motives. However, different neural circuits were identified in the analysis of each type of propaganda argument, independently of the declared vote (for or against the control) intention.

Source: www.researchgate.net

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06
gen
15

The Unexpected Connection Between Gut Bacteria and Depression and Anxiety — PsyBlog

How depression and anxiety are connected to bacteria in the gut. Consuming a prebiotic bacteria can have an anti-anxiety effect, the first ever human study of its kind has found. Researchers at the University of Oxford have discovered that an advanced prebiotic bacteria can reduce levels of anxiety in a clinical trial.

Like probiotics, prebiotics are functional foods: they have benefits beyond their purely nutritional valu

Source: www.spring.org.uk

See on Scoop.itBounded Rationality and Beyond

06
gen
15

Social Status and Personality Traits

http://docs.google.com/viewer?url=http%3A%2F%2Fdse.univr.it%2Fhome%2Fworkingpapers%2Fwp2014n21.pdf&embedded=trueAbstract: In this study we provide direct evidence on the relationship between social status and personality traits. Using survey data from the 2006-2012 waves of the HRS, we show that individuals’ self-perceived social status is associated with all the “Big Five” personality traits, after controlling for observable characteristics that arguably reflect one’s actual status. We also construct an objective status measure that in turn is influenced by personality traits. Objectively measured status is positively but not highly correlated with its subjective counterpart and, when incorporated in a regression specification, still leaves room for direct effects of personality traits on status perception. 

Source: dse.univr.it

See on Scoop.itBounded Rationality and Beyond

06
gen
15

The Psychological Contract: A Review Model

http://docs.google.com/viewer?url=http%3A%2F%2Fwww.iimahd.ernet.in%2Fassets%2Fsnippets%2Fworkingpaperpdf%2F12762980542104-12-03.pdf&embedded=trueAbstract: The objective of this paper is to review and synthesize the literature of psychological contract in order to provide a comprehensive framework of psychological contract through individual and multi-level analysis. The article provides an inclusive review of antecedents (individual and organizational) and outcomes of psychological contract. The last meta analysis was done in 2007 (Zhao et al., 2007) and research has grown significantly from thereon. The current paper extends the range of variables (antecedents and outcomes) considered in comparison to earlier studies. The study extensively reviews the literature from the period of 1972 to 2013 (July). The findings highlight how individual and organizational level variables influence the psychological contract of employees. It also reveals that psychological contract is associated with favorable organizational outcomes. While doing so the paper brings out the challenges in the field of psychological contract, gaps in the research, and makes propositions for future research. The exhaustive synthesis of review of literature promises to provide a holistic picture of psychological contract to the scholars interested in the field of psychological contract and employee relations. It highlights the gap which contributes in taking this concept forward. Practitioners can use this research for managing psychological contract in the light of its critical factors. The paper concludes that individual level antecedents of psychological contract require detail examination and summarize the relationship between macro level variables and psychological contract.

Source: www.iimahd.ernet.in

See on Scoop.itBounded Rationality and Beyond

06
gen
15

The Science of Storytelling: Why Telling a Story is the Most Powerful Way to Activate Our Brains

A good story can make or break a presentation, article, or conversation. But why is that? When Buffer co-founder Leo Widrich started to market his product through stories instead of benefits and bullet points, sign-ups went through the roof. Here he shares the science of why storytelling is so uniquely powerful.

Source: lifehacker.com

See on Scoop.itBounded Rationality and Beyond




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