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Science

Electrical Currents To the Brain Improve Memory for Older Adults, Study Finds (theverge.com) 28

Pulsing electrical currents through the brain for 20 minutes can boost memory for older adults for at least a month, according to a new study. From a report: Around 8 percent of people in the US get diagnosed with Alzheimer's disease or dementia as they get older -- significantly impairing their memory -- and an even larger group of older adults has some degree of age-related memory loss. This new study is only a first look at a potential solution. But easy, quick treatments like this one could become even more important as the world's population rapidly ages -- especially if future research shows that it can help with more serious cognitive conditions.

The brain stimulation done in this study, published Monday in Nature Neuroscience, came from a swim cap-like device studded with electrodes positioned to deliver the electric current to specific areas of the brain. The research team was interested in two main areas: one that's linked with working memory (which holds information temporarily and overlaps with short-term memory) and another linked with long-term memory. The research team divided 60 participants between the ages of 65 and 88 into three groups: one group wore the device but didn't get any electrical stimulation; the second received stimulation in the region associated with working memory; and the third received stimulation in the area associated with long-term memory.

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Electrical Currents To the Brain Improve Memory for Older Adults, Study Finds

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  • Does not only wonders for the memory.

    • As I recall even he resented it - though he was responsible enough about his crippling addiction to manage to not completely destroy his life.

      In the real world experiments attempting to replicate the results in humans have been... dramatically underwhelming. Though rats will go zap-happy until they starve to death, so it's not entirely clear what's different. Then again the rats were probably locked in a cage with nothing else to do, which has since been shown to dramatically bias various other addiction

      • by sjames ( 1099 )

        Interestingly, even with opium there is some evidence that a rich and stimulating environment reduces the addictive effect in rats. I suspect that translates to humans as well. If your life doesn't suck, you're less likely to become a degenerate addict.

        So naturally, the "justice" system handles addiction by making the addict's life suck even more.

  • by Roger W Moore ( 538166 ) on Monday August 22, 2022 @03:07PM (#62812161) Journal
    Great so in the future not only will we have to plug in our phones, laptops, earbuds, tablets and smartwatches to recharge overnight but our brains as well.
    • Don't fret too much, bought mine new on Ebay and it doesn't work anyway. Didn't realize if you put it over tinfoil it will short out.

      The seller braincapsusa was A+++ though, took it back with no questions asked.

  • by RoccamOccam ( 953524 ) on Monday August 22, 2022 @03:14PM (#62812187)
    In a few years, if I'm having (more) problems, I need to remember to look into this!
  • by Gravis Zero ( 934156 ) on Monday August 22, 2022 @03:37PM (#62812295)

    I've found that people who have told me they "don't know" or "don't remember" something usually have a breakthrough in their ability to recollect the information once I begin hooking up wires from a car battery to their genitals. The weird thing is, most suddenly remember before I complete the circuit. Clearly, this warrants further investigation.

    • Use "Jane's probe". The electric arc is so convincing, especially with a crying baby in the background claimed to be the prior customer.
    • What idiot marked this as Troll? Has it really become so impossible to make a joke that someone would take this seriously?

  • by QuietLagoon ( 813062 ) on Monday August 22, 2022 @03:41PM (#62812307)
    Wasn't there an episode of The Big Bang Theory that had Sheldon wearing one of these gizmos to improve his memory?
  • Shocking!
  • Bring it on. Let me see how much I can crank up my memory!
  • The first major reports about using electrical current applied to the brain were straight military.
    It was involving applying the charge to the brains of soldiers and it put them into a state of no recollection where their physical actions in a shooting range took on a far greater precision and accuracy.
    It's cool that it works, other than the part where it has already been used to effectively turn humans into mindless killing machines.
    • Actually, if I remember the NPR article [npr.org]correctly, the reporter who did a video training course one day, then did the electrotherapy the next day scored much higher AND felt more situational awareness and clarity, hardly mindless killing machines

      Mindfullness is the benefit, whether it is set to learning any task, killing or otherwise

  • Slashdot really needs to step up its game on the old click-bait headlines. They're really missing out!
  • When I was little, sticking a knife into the socket to see what would happen "...Explains a lot of things" for the rest of my life. Now that I'm a senior, apparently it's time to try it again!

  • Not only does it boost memory, it also grows hair! No, wait. It boosts the MEMORY of having had hair. I want some ice cream. Jill, do you have any ice cream? Honey, where are my pants? This podium is cold.
  • by atol ( 620255 )
    Back in Black: You shock me all night long. Aussie rules: No rules.
  • Left-handedness is an exclusion criterion, so it looks like I'm looking forward to an old age with interventions like this not working for me since these experiments don't study my type.

  • Doctor: "You better remember what you had for breakfast, you old hag. And better make it quick or we'll zap you again!
    Old Lady: "No, please mister, not the zap again! I'll remember! Just no more zapping! Please! AAAAARGGGHGHGHG!

For God's sake, stop researching for a while and begin to think!

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