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Showing results 21-31 of 123 for 'Brain'

  • Sweet Smell

    Scientists from the Weizmann Institute and the University of California at Berkeley discovered that the molecular structure of a substance can help predict how we will perceive its smell.  

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    Weizmann Institute Scientists Discover How to Manipulate the Brain to Control Maternal Behavior in Females and Reduce Aggression in Males

    Why are there gender-specific roles in caring for offspring? Drs. Tali Kimchi and Ofer Yizhar have found a neurobiological answer, and – using state-of-the-art techniques – were able to control maternal behavior and male aggression in mice. Their work could also shed light on disorders like postpartum depression, aggression, and autism.

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    Stress-Coping Mechanism Helps Mice Make New Friends

    What makes us reluctant or willing to leave our social comfort zones? Prof. Alon Chen and his team in the Department of Neurobiology found that a molecule that helps the brain cope with stress appeared to act as a ""social switch"" in mice, causing them to either increase interactions with ""friends"" or seek to meet ""strangers."" Since a similar system exists in the human brain, the findings may help explain why some people are better at making new friends, and shed light on the social difficulties experienced by those with autism, schizophrenia, and more.

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    Science Tips, January 2015

    Three updates from the the Weizmann Institute: Japan and Israel combine forces to advance brain research; new findings show that autistic brains are nonconformist; Peruvian schools adopt Weizmann's <em>Blue Planet</em> science education curriculum.

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    The Scent of a Handshake

    Why do we shake hands? Why do animals smell each other? These two actions apparently serve the same evolutionary purpose. A new study by Prof. Noam Sobel's lab shows that after shaking someone's hand, we sniff our own hands twice as much – and the hand we sniff depends on the shakee's gender. Such subliminal sniffing seems to help convey social information.

  • Behind Closed Eyes

    Even when our eyes are closed, the visual centers in our brain are humming with activity. Now, new Weizmann Institute research has revealed details about the nature of brain activity during rest.

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  • Science Tips, April 2011

    Three research updates from the Weizmann Institute of Science: why the ""aha!"" moment is important; an enzyme that can enhance memories; and how quantum mechanics principles of spin relate to biology.

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    Past Brain Activation Revealed in Scans

    By studying brain wave patterns, Weizmann scientists found that such patterns preserve traces of previous cognitive activity. Like archaeologists, they may be able to uncover our history of past experiences, possibly revealing what makes us unique. It could also potentially enable diagnosis of neuropsychological diseases.