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Tag: Rett syndrome

August 2011
News

Optogenetics study boosts signal imbalance theory of autism

by  /  8 August 2011

By zapping mouse brains with blue and yellow light beams, scientists have manipulated the animals’ social behaviors and bolstered a popular theory of what causes autism.

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News

Molecular mechanisms: MeCP2 loss ups signal strength

by  /  3 August 2011

A study using action potentials, the electrical impulses that trigger signaling, shows that neurons lacking MeCP2, the Rett syndrome protein, have stronger neuronal signals compared with controls, according to a study published in the July Journal of Neurophysiology.

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July 2011
News

Molecular mechanisms: Autism mutants cause cell stress

by  /  19 July 2011

Some autism-associated mutations activate a stress response that could lead to symptoms of the disorder, according to a study published 3 June in Cell Death and Disease.

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News

Reclassification of Rett syndrome diagnosis stirs concerns

by  /  4 July 2011

A plan by an American Psychiatric Association revision committee to remove Rett syndrome from the Diagnostic and Statistical Manual of Mental Disorders (DSM) has sparked concern among some parents and researchers. But proponents of the change say the plan has been widely misunderstood, and their goal is better treatment for people with the neurodevelopmental disorder.

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June 2011
News

Rett protein needed for adult brain function

by  /  20 June 2011

A new study calls into question the assumption that Rett syndrome is exclusively a neurodevelopmental disorder caused by the lack of a critical protein in utero.

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News

Protein networks link different forms of autism, study says

by  /  13 June 2011

Researchers have identified hundreds of previously unknown connections between proteins involved in autism spectrum disorders, according to a report published last week in Science Translational Medicine.

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May 2011
Opinion / Viewpoint

Isabelle Rapin: Lessons from my clinic

by  /  24 May 2011

Autism is diagnosed based on the severity and variety of its symptoms. This makes it very difficult to diagnose and easy to confuse with other disorders, such as language delay and intellectual disability, cautions Isabelle Rapin.

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News

Rett protein alters visual circuits in mice

by  /  23 May 2011

MeCP2, the protein that’s missing or mutated in Rett syndrome, is crucial for remodeling neural circuits in response to vision, according to a study published in April in Neuron.

2 Comments
News / Toolbox

Imaging tool maps regions within amygdala

by  /  18 May 2011

A new method can distinguish between sub-regions of the amygdala, the deep nub of tissue that is involved in emotion processing and that shows abnormal activity in people with autism, according to a study published in the June issue of NeuroImage.

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News

Scientists probe puzzling overlap of epilepsy and autism

by  /  12 May 2011

Large studies on the epidemiology and genetics of epilepsy and autism have uncovered commonalities between the two disorders. But scientists are only beginning to untangle the biological roots of the overlap.

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