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Scientists uncover link between language gene mutations and speech problems miragenews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from miragenews.com Daily Mail and Mail on Sunday newspapers.
Scientists discover how mutations in a language gene produce speech deficits: Faulty versions of the Foxp2 gene disrupt neurons' ability to form synapses in brain regions involved in speech, a new study shows sciencedaily.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from sciencedaily.com Daily Mail and Mail on Sunday newspapers.
Researchers find mutations of the Foxp2 gene disrupt the formation of synapses in the brain’s striatum, which plays important roles in the control of movement, in mice. The MIT and National Yang Ming Chiao Tung University study sheds light on how Foxp2 controls speech production.
Researchers have identified how two different populations of neurons in the striatum are affected differently in Huntington's disease. The neurodegeneration of one of these populations leads to motor defects while damage to the other population located in striosomes may account for mood disorders associated with the early stages of Huntington's.
MIT neuroscientists find two distinct cell populations in the striatum are affected differently by Huntington’s disease. They believe neurodegeneration of one of these populations leads to motor impairments, while damage to the other population, located in a structure called the striosome, may account for the mood disorders that are often see in the early stages of the disease.
MIT neuroscientist Ann Graybiel reports that mice need the cannabinoid receptor CB1R to establish connections within the brain’s dopamine system that take shape soon after birth. The finding raises concern that marijuana use by nursing moms might interfere with brain development.
When we make complex decisions, we have to take many factors into account. Some choices have a high payoff but carry potential risks; others are lower risk but may have a lower reward associated with them.
A group of neurons in the brain’s striatum encodes information about the potential outcomes of different decisions. These cells become particularly active when a behavior leads a different outcome than what was expected, which the researchers believe helps the brain adapt to changing circumstances.