Archivio per 14 aprile 2015

14
Apr
15

Brain scans reveal how people ‘justify’ killing

See on Scoop.itBounded Rationality and Beyond

A new study has thrown light on how people can become killers in certain situations, showing how brain activity varies according to whether or not killing is seen as justified.

The study, led by Monash researcher Dr Pascal Molenberghs, School of Psychological Sciences, is published in the journal Social Cognitive and Affective Neuroscience.

Participants in the study played video games in which they imagined themselves to be shooting innocent civilians (unjustified violence) or enemy soldiers (justified violence). Their brain activity was recorded via functional magnetic resonance imaging (fMRI) while they played.

Dr Molenberghs said the results provided important insights into how people in certain situations, such as war, are able to commit extreme violence against others.

See on medicalnewstoday.com

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14
Apr
15

Neuroscience explains why Hodor in Game of Thrones only says “Hodor”

See on Scoop.itBounded Rationality and Beyond

In 1861, French physician Paul Broca was introduced to a man named Louis-Victor Leborgne. While his comprehension and mental functioning remained relatively normal, Leborgne progressively lost the ability to produce meaningful speech over a period of 20 years. Like Hodor, the man was nicknamed Tan because he only spoke a single word: “Tan.”

 

Just a few days after meeting Broca, Leborgne passed away. Broca’s autopsy determined tissue damage, or a “lesion,” in the frontal lobe of Leborgne’s left brain hemisphere, just next to a brain fold called the lateral sulcus. Over the next two years, Broca acquired brains from 12 more patients with Leborgne’s symptoms—all of the autopsy evidence was strikingly consistent.

 

Neuroscientists are still examining this small region of the brain, now often referred to as “Broca’s area” to work out its many functions. While most research has focused on a patient’s inability to form syntactically complex sentences when this area is damaged, more recent work using functional magnetic resonance imaging (fMRI) has also reported that Broca’s area is active during language comprehension 

See on qz.com




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