BETHESDA, MD. (May 30, 2006) – Methylphenidate (Ritalin) elevates norepinephrine levels in the brains of rats to help focus attention while suppressing nerve signal transmissions in the sensory ...

Methylphenidate (Ritalin) elevates norepinephrine levels in the brain to help focus attention and suppresses nerve signal transmissions in the sensory pathways to help block out extraneous stimuli.

Visual attention is a critical cognitive function that enables the selective processing of relevant visual information while filtering out extraneous stimuli. Research in this field investigates how ...

Sensory overload occurs when the brain becomes overwhelmed by the volume or nature of the sensory inputs it receives. Sensory inputs can be any stimuli that enter through one of the sensory modalities ...