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Stimulating a particular region in the brain via non-invasive delivery of electrical current using magnetic pulses, called Transcranial Magnetic Stimulation, improves memory, reports a new Northwestern Medicine® study.
The discovery opens a new field of possibilities for treating memory impairments caused by conditions such as stroke, early-stage Alzheimer's disease, traumatic brain injury, cardiac arrest and the memory problems that occur in healthy aging.
"We show for the first time that you can specifically change memory functions of the brain in adults without surgery or drugs, which have not proven effective," said senior author Joel Voss, assistant professor of medical social sciences at Northwestern University Feinberg School of Medicine. "This noninvasive stimulation improves the ability to learn new things. It has tremendous potential for treating memory disorders."
The study will be published August 29 in Science.
The study also is the first to demonstrate that remembering events requires a collection of many brain regions to work in concert with a key memory structure called the hippocampus -- similar to a symphony orchestra. The electrical stimulation is like giving the brain regions a more talented conductor so they play in closer synchrony.
"It's like we replaced their normal conductor with Muti," Voss said, referring to Riccardo Muti, the music director of the renowned Chicago Symphony Orchestra. "The brain regions played together better after the stimulation."
The approach also has potential for treating mental disorders such as schizophrenia in which these brain regions and the hippocampus are out of sync with each other, affecting memory and cognition.
TMS Boosts Memory
The Northwestern study is the first to show TMS improves memory long after treatment. In the past, TMS has been used in a limited way to temporarily change brain function to improve performance during a test, for example, making someone push a button slightly faster while the brain is being stimulated. The study shows that TMS can be used to improve memory for events at least 24 hours after the stimulation is given.
originally posted by: Mianeye
It's kind of ironic electro chock against depression does the exact opposite, it makes you forget.
i wonder what the difference is...
The least invasive of these techniques is called transcranial magnetic stimulation (TMS), in which electric pulses are sent by a device held to the forehead to the prefrontal cortex, the region of the brain that is connected to mood.
The first category, medical and physical risks includes adverse reaction to anesthetic agents and neuromuscular blocking agents, alterations in blood pressure, cardiovascular complications, death, dental and oral trauma, pain and discomfort, physical trauma, prolonged seizures, pulmonary complications, skin burns, and stroke. The other two main categories include cognitive and memory dysfunction, and device malfunction.
originally posted by: CovertAgenda
a reply to: Mianeye
The difference is that they can now SPIN this into a nice money making enterprise, the stigma of electro-shock now long forgotten by the masses.
'd studee sez it wil make me smartr'
originally posted by: CovertAgenda
a reply to: knoledgeispower
You also really need to read what i said (AS A REPLY TO MIANEYE) before showing off how smart you are.
1) 'No-one has forgotten electro-shock'.... wow you speak for all now do you.... also i said 'stigma'... now look it up and piece the sentence together.
2) You are 'guessing' now... wow how illuminating. Thanks for that. I bow to your expertise in neurological knowledge.
You stand as a shining example of your own signature quote.