Neuroscience

'Brain-only' mutation causes epileptic brain size disorder

Scientists have discovered a mutation limited to brain tissue that causes hemimegalencephaly (HMG), a condition where one half of the brain is enlarged and dysfunctional, leading to intellectual disability and severe epilepsy. ...

Autism spectrum disorders

Spontaneous gene glitches linked to autism risk with older dads

Researchers have turned up a new clue to the workings of a possible environmental factor in autism spectrum disorders (ASDs): fathers were four times more likely than mothers to transmit tiny, spontaneous mutations to their ...

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