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Home / Health News / Does a miracle drug to improve memory really exist?

Does a miracle drug to improve memory really exist?

What if a single drug dose could give you a super-sharp memory?

By: Agencies   | | Updated: June 28, 2016 4:13 pm
Tags: Memory  Memory cells  
diseases-memory-apps-THS

A single oral dose of a drug that is already being used to treat a type of blood disorder could also improve our memory, suggests new research. The researchers found that single dose of the common, inexpensive and safe chemical called methylene blue results in an increased response in brain areas that control short-term memory and attention. Methylene blue is used to treat methemoglobinemia, a blood disorder in which oxygen is unable to release effectively to body tissues, and as a surgical stain. Although the memory-enhancing effects of methylene blue were shown in rodents in the 1970s, the underlying neuronal changes in the brain responsible for memory improvement and the effects of methylene blue on short-term memory and sustained-attention tasks have not been investigated, said study author Timothy Duong from University of Texas Health Science Center at San Antonio, Texas. Our team decided to conduct the first multi-modal MRI study of methylene blue in humans, Duong noted. (Read: Want a super sharp memory? Go for a run daily) Also Read - Power of scents may alter how memories are processed in brain

Also Read - A bad memory is like a festering sore: 5 ways to cope with it



Twenty-six healthy participants, between the ages of 22 and 62, were enrolled in a double-blinded, randomised, placebo-controlled clinical trial to measure the effects of methylene blue on the human brain during working-memory and sustained-attention tasks. The participants underwent functional MRI (fMRI) before and one hour after low-dose methylene blue or placebo administration to evaluate the potential effects of the compound on cerebrovascular reactivity during tasks. Mean cerebral blood flow was measured pre- and post-intervention. The results showed methylene blue increased response in the bilateral insular cortex — an area deep within the brain associated with emotional responses — during a task that measured reaction time to a visual stimulus. (Read: Eat blueberries to fight age, improve vision and memory) Also Read - Saliva test can help in diagnosis of Alzheimer's disease, say scientists

The functional MRI results also showed an increased response during short-term memory tasks involving the brain’s prefrontal cortex, which controls processing of memories, the parietal lobe, primarily associated with the processing of sensory information, and the occipital cortex, the visual processing centre of the brain. In addition, methylene blue was associated with a seven percent increase in correct responses during memory retrieval. The study was published online in the journal Radiology. The findings suggest that methylene blue can regulate certain brain networks related to sustained attention and short-term memory after a single oral low dose. (Read: Unable to retain your memory? Hit gym four hours after studying)

Source: IANS

Photo source: Getty images (Image for representational purpose only)

Published : June 28, 2016 4:12 pm | Updated:June 28, 2016 4:13 pm
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