News tagged with negative feedback

Negative feedback makes cells 'sensitive'

New research has shown that negative feedback loops in cell signalling systems can be essential for a cell's ability to perceive the strength of a growth stimulus. Cells lacking the feedback loop became insensitive to the ...

Jan 08, 2014
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Brain potentials reveal spectator effect

The neurological responses caused by observing somebody else playing a game have been uncovered. Researchers writing in the open access journal BMC Neuroscience found differing responses for neutral observers, compared to tho ...

Jul 29, 2010
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Probing public policy with a new lens

In each of two cities, a team of local agencies launches a campaign to keep children from joining gangs. The two use similar tactics, combining counseling, tutoring and recreation. One initiative shows great results; the ...

Apr 19, 2010
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