How individuality develops? Experience leads to the growth of new brain cells
How do organisms evolve into individuals that are distinguished from others by their own personal brain structure and behavior? Scientists in Dresden, Berlin, Münster, and Saarbrücken have now taken a decisive step towards ...
Neuroscience
May 09, 2013 |
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Sleepwalkers sometimes remember what they've done
Three myths about sleepwalking – sleepwalkers have no memory of their actions, sleepwalkers' behaviour is without motivation, and sleepwalking has no daytime impact – are dispelled in a recent study led by Antonio Zadra ...
Neuroscience
Mar 14, 2013 |
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French police confounded by twins' DNA in rapes case
French police investigating a series of rapes in the southern city of Marseille are confounded after tracing DNA evidence to a set of twins but not knowing which one may be to blame.
Genetics
Feb 10, 2013 |
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Researchers find amygdala not always necessary for fear
(Medical Xpress)—Researchers at the University of Iowa have found that three volunteer women with defective amygdalas were able to experience internal fear. In their paper published in the journal Nature Ne ...
Neuroscience
Feb 04, 2013 |
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Genomic 'hotspots' offer clues to causes of autism, other disorders
An international team, led by researchers from the University of California, San Diego School of Medicine, has discovered that "random" mutations in the genome are not quite so random after all. Their study, ...
Genetics
Dec 20, 2012 |
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Scientists identify 5 genes that determine facial shape
(Medical Xpress)—European researchers have discovered that five genes play a key role in determining human facial shapes. Presented in the journal PLoS Genetics, the genome-wide association study on fac ...
Genetics
Oct 11, 2012 |
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For some women, genes may influence pressure to be thin
Genetics may make some women more vulnerable to the pressure of being thin, a study published in the International Journal of Eating Disorders has found. From size-zero models to airbrushed film stars, thinness is portra ...
Psychology & Psychiatry
Oct 03, 2012 |
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Heritability of avoidant and dependent personality disorder traits
(Medical Xpress)—A new twin study from the Norwegian Institute of Public Health shows that the heritability of avoidant and dependent personality disorder traits might be higher than previously reported. ...
Psychology & Psychiatry
Sep 24, 2012 |
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Fainting: All in the family?
Fainting has a strong genetic predisposition, according to new research published in the August 7, 2012, print issue of Neurology, the medical journal of the American Academy of Neurology. Fainting, also called vasovagal syncop ...
Neuroscience
Aug 06, 2012 |
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Differences between human twins at birth highlight importance of intrauterine environment
Your genes determine much about you, but environment can have a strong influence on your genes even before birth, with consequences that can last a lifetime. In a study published online in Genome Research, researchers have f ...
Genetics
Jul 15, 2012 |
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Understanding why some people have propensity to disease
Aside from identical twins, no two individuals are completely identical genetically. Most differences between individuals are due to single nucleotide changes or polymorphisms (SNPs) – DNA sequence variations – ...
Genetics
May 14, 2012 |
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Gene mapping for everyone? Study says not so fast
Gene scans for everyone? Not so fast. New research suggests that for the average person, decoding your own DNA may not turn out to be a really useful crystal ball for future health.
Genetics
Apr 02, 2012 |
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Are my twins identical?
Parents may be misinformed during prenatal scans on whether their twins are identical or non-identical, say UCL researchers in a new commentary piece published today in BJOG: An International Journal of Obstetrics and Gy ...
Obstetrics & gynaecology
Feb 29, 2012 |
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New research suggests birth weight plays a role in autism spectrum disorder
Although the genetic basis of autism is now well established, a growing body of research also suggests that environmental factors may play a role in this serious developmental disorder affecting nearly one in 100 children. ...
Autism spectrum disorders
Jan 19, 2012 |
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Study of smoking twins points to growing influence of genetic factors
A new study of twins led by the University of Colorado Boulder shows that today's smokers are more strongly influenced by genetic factors than in the past and that the influence makes it more difficult for them to quit.
Health
Nov 16, 2011 |
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