DIY tDCS Start Here

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New to DIYtDCS? This is the ‘start here’ collection of articles and posts.

  1. DIYtDCS Feed, last 50 articles http://www.diytdcs.com/feed/
  2. My Twitter feed focuses on breaking tDCS research. @DIYtDCS
  3. My Reddit account, where it’s okay to explore the fringes. DIYtDCS
  4. Recommended device? (29V / 2mA model. Promo code ‘diytdcs’ for discount)
  5. Best instruction video for C3/Motorcortex & F3/DLPFC electrode placement.
  6. Is this (tDCS for depression in pregnancy) the first ‘killer app’?
  7. Cognitive Enhancement with Noninvasive Brain Stimulation (video) Roy Hamilton MD
  8. Simple Montage list with electrode placement and research sources.
  9. Marom Bikson & Peter Toshev ‘Your Electric Pharmacy‘ (excellent overview/intro).
  10. My podcast interviews – deep dives into tDCS with key players (iTunes link)
  11. tDCS SubReddit is where the action is. Now with tDCS FAQ!
  12. Dr. Brent Williams’ DIY device and protocol.
  13. Zap your brain into the zone: Fast track to pure focus
  14. Better Living Through Electrochemistry
  15. Clinical tDCS trials seek volunteers. All. Search. (Example: “tDCS AND Los Angeles”)
  16. Neuroscience: Brain buzz Nature Magazine
  17. DLPFC / F3 Locator (you’ll need a tape measure with Centimeters)
  18. Foc.us 3d tDCS Placements Guide Model
  19. Searchable database of tDCS articles from trans-cranial.com
  20. 10–20 international system
  21. Kadosh The Stimulated Brain: Cognitive Enhancement Using NIBS

Stimulating the Creative Brain – Morten Friis-Olivarius | PlatoScience

Stimulating the Creative Brain | Morten Friis-Olivarius | TEDxOslo
PlatoScience.com
PlatoWork neurostimulation device manual.

Shown here (from the video) working on the PlatoWork prototype. Note montage which according to the talk, would be focused on increasing creativity. In the video he calls the stimulation TES (Transcranial Electric Stimulation).

“Creative people somehow forget to turn off the spontaneous system while thye’re working on a task”.

A later prototype.

From the manual.

Aha, so there are 3 electrodes. And the placement resembles another study I’m aware of that used tACS to enhance creativity. (Functional role of frontal alpha oscillations in creativity). In that study…

Stimulation electrodes were positioned bilaterally over the frontal cortex (centered on EEG electrode locations F3 and F4) with a common electrodeover the apex (Cz).

But the PlatoScience FAQ clearly states they’re using tDCS.

At PlatoScience we use a version of neurostimulation called tDCS (Transcranial Direct Current Stimulation).

So here we have the first (to my knowledge) commercially available (€399) TES device designed specifically to enhance creativity. Interestingly, PlatoScience has a forum and test site (according to the video) where users can discuss their experience. The device is operated via smart phone.

Adam Gazzaley | Wisdom Labs Podcast

Source: WW009 – “Could Video Game Technology Solve the Global Cognition Crisis?” – with Adam Gazzaley, MD, PhD

Adam Gazzaley and Parneet Pal, Chief Science Officer of Wisdom Labs, discuss the challenges of the modern world for our ancient brains, how to become aware of, and overcome, the interference of distraction and multitasking, and the new era of digital medicine. Conversation includes: The critical elements of what it means to be human, ethical design of technology, the cascading effect of cognitive challenges, and harnessing neuroplasticity through experience to develop stronger brains…

New Caputron Bundles Including Focus V3

Robin at Caputron recently informed me of some new products they’re carrying including the Focus v3. The Focus v3 duplicates the functionality of the v2 (tRNS, tPCS, tACS and tDCS), but adds additional features such as what Focus calls ‘tRCS’, Transcranial Rippled Current Stimulation… as I understand it, a form of transcranial alternating current stimulation that targets multiple frequencies over time. tRCS is something new, invented by Focus, and therefore we have no scientific research to support its use at this time, but it looks very interesting. Considering the variety of stimulation modes the v3 supports, this is the obvious choice for anyone wanting to replicate research in the tACS and tRNS literature. Read more about the Focus v3 here: Instructions Guide.

Focus v3

Caputron is currently shipping the v3 with a variety of electrode options but the base unit is priced at $399. Use coupon code diytdcs at checkout for a generous discount on any product purchased from Caputron.

If you’re looking for a more ‘traditional’ type tDCS device, I recommend Caputron’s ActivaDose II tDCS Starter Kit. This is an FDA approved device (NOT for tDCS, but for iontophoresis, point being the electronics and manufacturing are at an FDA approved level). Note that the ActivaDose from Caputron comes as either an 80 Volt/4 mA Max unit, or a 29 Volt/2 mA Max. The cautious user would choose the 29 Volt model, as 2 mA is the maximum current used in most scientific studies. If you want a simple device your Mom could use, this is the way to go. Again, Use coupon code diytdcs at checkout for a generous discount.

Caputon is now carrying the Muse EEG device. They also carry more sophisticated research devices like those by Soterix. You can even purchase a TMS device through them. They have expert support and a great reputation.

 

 

Three-minute magnetic brain stimulation treatments can reduce depression symptoms | CTV

A three-minute treatment involving magnetic stimulation of the brain works just as well as the standard form of such therapy for people with hard-to-treat depression, a new study has found.

Paper: Effectiveness of theta burst versus high-frequency repetitive transcranial magnetic stimulation in patients with depression (THREE-D): a randomised non-inferiority trial

Gamma Waves Enhance the Brain’s Immune System to Treat Mice with Alzheimer’s disease.

Foc.us v2 40hz tACS

[Update 2/3/18] Nature reports on updates since the information about the research first emerged. How flashing lights and pink noise might banish Alzheimer’s, improve memory and more
———
I was first alerted to the story from a December 7 article in the Guardian, “Strobe lighting provides a flicker of hope in the fight against Alzheimer’s“. Researchers from the Picower Institute for Learning and Memory at MIT, working with (let’s call them) ‘Alzehiemer’s mice’, had discovered that flashing a light at 40hz (on-off at 40 times per second) increased gamma wave oscillations in the brain which led to the reduction of Amyloid beta (think, plaque) through the activation of microglia ‘clean-up’ immune cells. Here, let them explain it!

The paper, Gamma frequency entrainment attenuates amyloid load and modifies microglia makes clear that the light-flickering affected the visual cortex, which makes sense, as the light reaches the brain through the eyes. But wait, thinks I, what about tACS (transcranial Alternating Current Stimulation)… haven’t I seen numerous papers implying the ability to ‘entrain’ brain waves with tACS? What if you could increase 40hz Gamma in other parts of the brain? (Google Scholar Search: transcranial alternating, entrain, gamma)
But then I discovered that Radiolab just covered this exact story and it’s totally amazing! Really a must listen. So fun to hear the researcher’s amazement at this accidental (sort of) discovery!
So what’s with the photo of the Foc.us v2 device set up for a 40hz tACS session? Just that…

More about The Picower Institute for Learning and Memory at MIT

The Research Institute of the McGill University Health Centre, Montreal, Testing TMS For Alzheimer’s

It ‘makes sense’ that stimulating neurons in areas of the brain affected by Alzheimer’s would be of benefit, but as the researchers state, we won’t know for sure until the science is complete. In the meantime, if you know anyone in Montreal with Alzheimer’s issues, the study is recruiting.

The study is still accepting new patients.To find out more, contact researchers at the Research Institute of the MUHC at 514-934-1934 ext 34439 or Rishanthi.sivakumaran [@] rimuhc.ca

tDCS Anomia Treatment Setup

Little information accompanies this video, but it appears to me that Karly Chapman is an Aphasia clinician demonstrating tDCS setup for fellow clinicians. She sets up for an Anomia treatment. It strikes me that a motivated family member wouldn’t have much trouble replicating this at home. Also that an online version would be a useful tool for clinicians and patients alike.

AFTD Webinar: Stimulating the Brain to Preserve the Mind | Dr. Roy Hamilton

Roy Hamilton director of the Laboratory for Cognition and Neural Stimulation, Perelman School of Medicine, University of Pennsylvania.

TheAFTDorg
Published on Dec 6, 2017

Dr. Roy Hamilton of the University of Pennsylvania describes two types of noninvasive brain-stimulation technologies — transcranial magnetic stimulation (TMS) and transcranial direct current stimulation (tDCS) — and addresses their potential role in the assessment and treatment of FTD disorders. This webinar, presented on November 30, 2017, is the fifth in the AFTD Educational Webinar series.

Ethical Issues in Research with Invasive and Non-Invasive Neural Devices in Humans | NIH

Thursday, October 26, 2017. Deep dive (7 hours!) long form, state of the art discussion of neurostimulation by leading experts. More about the Neuroethics Division of the BRAIN Multi-Council Working Group

Sarah Lisanby, director of the division of the National Institute of Mental Health (NIMH) opens the workshop (very interesting, great slides) after introductions at 0:14, Anna Wexler speaks at 2:25.

Permalink to video https://videocast.nih.gov/launch.asp?23553

Roster

  • Co-chair Christine Grady, MSN, PhD, Chief, NIH Department of Bioethics
  • Co-chair Hank Greely, JD, Stanford Law School (MCWG member)
  • Winston Chiong, MD, PhD, University of California, San Francisco
  • James Eberwine, PhD, University of Pennsylvania (MCWG member)
  • Nita Farahany, JD, PhD, Duke School of Law
  • L. Syd M Johnson, PhD, Michigan Technological University
  • Bradley Hyman, MD, PhD, Massachusetts General Hospital (MCWG member)
  • Steve Hyman, MD, Broad Institute
  • Karen Rommelfanger, PhD, Emory University
  • Elba Serrano, PhD, New Mexico State University (MCWG member)
  • Khara Ramos, PhD, NINDS – Neuroethics Division Executive Secretary and NIH liaison

 

Adam Gazzaley – Consciousness & Neuroscience | After-On – Rob Reid

We’ve met Adam Gazzaley elsewhere on the blog, but probably because he and Rob Reid have a friendship spanning years, this is a very friendly and thorough discussion of all Adam is up to. Reid has a new book (fiction, sci-fi) called After On, and Gazzaley was called on to provide insights into a few of the book’s key concepts related to consciousness and neuroscience.
There has been a lot of talk in the literature lately about tACS as it applies to cognitive enhancement and this is explored in the conversation. If I got this right… there is a distinct pattern of ‘Midline Frontal Theta’ frequency, at around 6Hz (as measured by EEG) associated with ‘focus’ (as measured by fMRI) in the Pre Frontal Cortex. This begs the question as to whether focus could be generated by using tACS to ‘entrain’ the PFC (as in… induce 6Hz Theta in the PFC using tACS). Again I will remind the reader that I am not a scientist!
Gazzaley also brings us up to speed on the clinical trial for FDA clearance of EVO, his video game/therapeutic that Akili has developed for kids with ADHD.
The episode is embedded here, but swing over to https://after-on.com/episodes/002 to read the show notes and to learn more about Rob Reid. He has a number of fascinating interviews with other guests in his podcast and brings a lot to the table himself considering a long career both as a technologist, investor and author.

Video Games for Neuro-Cognitive Optimization

Video Games for Neuro-Cognitive Optimization
Neuroscape Lab at UCSF Publications
Enhancement of multitasking performance and neural oscillations by tACS
Nature cover story: Video gaming enhances cognitive skills that decline with age. Game Changer (pdf)

 

HD tACS to Synchronize Medial Frontal Cortex & Lateral Prefrontal Cortex Leads to Improved Executive Function

You may have noticed that I’ve not been posting as much to the blog lately. The blog is already so full of useful content for anyone looking into tDCS that I’m inclined to only post significant information that would move our current understanding of tDCS and neurostimulation forward. This article/paper describing a new technique using ‘HD tACS’ to synchronize (brainwaves) parts of the brain definitely looks intriguing and has implications for anyone paying attention to DIY neurostimulation. Very early, but very interesting.

Prof Rob Reinhart. Photo by Cydney Scott for Boston University Photography

Full story:  “Turbo Charge” for Your Brain? by By Barbara Moran

“These (medial frontal cortex & lateral prefrontal cortex) are maybe the two most fundamental brain areas involved with executive function and self-control,” says Reinhart, who used a new technique called high-definition transcranial alternating current stimulation (HD-tACS) to stimulate these two regions with electrodes placed on a participant’s scalp. Using this new technology, he found that improving the synchronization of brain waves, or oscillations, between these two regions enhanced their communication with each other, allowing participants to perform better on laboratory tasks related to learning and self-control. Conversely, de-synchronizing or disrupting the timing of the brain waves in these regions impaired participants’ ability to learn and control their behavior, an effect that Reinhart could quickly fix by changing how he delivered the electrical stimulation. The work, published October 9, 2017, in the journal Proceedings of the National Academy of Sciences (PNAS), suggests that electrical stimulation can quickly—and reversibly—increase or decrease executive function in healthy people and change their behavior.

Here’s the paper (paywall): Disruption and rescue of interareal theta phase coupling and adaptive behavior. The supplemental pdf. describes the equipment used in the experiment.
High definition transcranial alternating current stimulation ( HD- tACS ). The alternating current stimulation was administered noninvasively using an MxN9-3 channel high definition transcranial electrical current stimulator from Soterix Medical (New York, NY). Eight sintered Ag/AgCl electrodes were attached to high-definition plastic holders, filled with conductive gel, and embedded in the Biosemi EEG cap. HD-tACS electrode placement was guided by current-flow modeling using HD- Explore and HD-Targets (Soterix Medical), with the goal of targeting the MFC and lPFC to facilitate the synchronization of neural activity between these regions (the in phase protocol ) or disrupt the signals being conveyed between the MFC and lPFC (the antiphase protocol ).

Listen to Bob McDonald discuss HD tACS with Prof Rob Reinhart on the always interesting Quirks and Quarks.

Halo Sport Test for Guitar – the Conclusion | TomboLP Youtube

In the spirit of fairness, I’m posting this musician’s experience of using the Halo Sport for guitar training. Unlike Mario and his piano experience, this fellow, TomboLP, ultimately found no added benefit, though in earlier videos (this is the part 5 of 5) he was excited by what he assumed were positive results.

This is the last video in my test of the Halo Sport. As I didn’t reach the goals I set for myself in the time allotted and feel that there were no gains that couldn’t be otherwise explained by practice, I have now returned the headset. Even though the product didn’t work out for me, I will say that the return process was very straightforward and hassle-free.