The neuroConn DC-STIMULATOR PLUS* is a single-channel programmable direct and alternating Current Stimulator. It meets the highest safety standards thanks to (hardware- and software-based) multistage monitoring of the current path. By continuously monitoring electrode impedance it can detect insufficient contact with the skin and automatically terminate stimulation.
The device's alphanumeric display and the 4 membrane keys allow various stimulation modes to be selected and stimulation parameters such as current strength, duration, fade in and fade out to be set.
Besides transcranial direct current stimulation (tDCS), the neuroConn DC-STIMULATOR PLUS* can also conduct bi-polar stimulation (tACS) and random-noise stimulation (tRNS).
1 channel, unipolar (DC) and bipolar (AC) stimulation possible
4 standard modes - single (continuous stimulation) - pulse (cyclical stimulation activation/deactivation) - sinus (sinus wave) - noise (normally distributed)
Frequencies adjustable up to 250 Hz, phase freely adjustable
Adjustable current (DC) up to 4,000 µA in increments of 25 µA
"Study mode" for blind processing of genuine and 'pseudo' stimulation (optional)
External trigger input and output (optional)
Internal 12bit D/A conversion | |
Internal time resolution 1 ms (sample rate 1,280 sps) | |
Max. 1% relative direct current falt tolerance | |
"Single" stimulation mode | duration 15-1,800 s, increment 15 s, duration of fade in/fade out 1-120 s, increment 1 s |
"Pulse" stimulation mode | duration of complete pulse cycle/interstimulus interval (ISI) 300-2,000 ms, increment 100 ms, pulse width 200- (ISI-100), increment 100 s, number of pulse ccles 1-500 |
"Sinus" stimulation mode | adjustable current up to 3,000 µA (p-p) in 25 µA increments, offset of 0 to ± 1,000 µA, increment 10 µA, frequencies up to 250 Hz, increment 0.01 Hz, adjustable phase 0-360º in 5º steps, application time adjustable up to 30 min |
"Noise", "noise LF", "noise HF" stimulation mode | adjustable current up to ± 1,500 µA (p-p), offset of 0 up to ± 1.000 µA, increment 50 µA, duration 0-1,800 s in 5 s increments, current adjustable over period of 0-120 s to reach and leave oscillation level |
Max. voltage limitation | ± 20V |
Dimensions | 5.3″W x 8.9″D x 2.2″H |
Weight (incl. batteries) | 1.8 lbs |
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Iyer, MB and Mattu, U and Grafman, J and Lomarev, M and Sato, S and Wassermann, EM. (2005). Safety and cognitive effect of frontal DC brain polarization in healthy individuals. Neurology, 64(5), 872--875.
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Kincses, Tamas Z and Antal, Andrea and Nitsche, Michael A and Bártfai, Orsolya and Paulus, Walter. (2004). Facilitation of probabilistic classification learning by transcranial direct current stimulation of the prefrontal cortex in the human. Neuropsychologia, 42(1), 113--117.
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Liebetanz, David and Fregni, Felipe and Monte-Silva, Katia K and Oliveira, Manuella B and Amancio-dos-Santos, Angela and Nitsche, Michael A and Guedes, Rubem CA. (2006). After-effects of transcranial direct current stimulation (tDCS) on cortical spreading depression. Neuroscience letters, 398(1), 85--90.
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Liebetanz, David and Klinker, Florian and Hering, Diana and Koch, Reinhard and Nitsche, Michael A and Potschka, Heidrun and L. (2006). Anticonvulsant effects of transcranial direct-current stimulation (tDCS) in the rat cortical ramp model of focal epilepsy. Epilepsia, 47(7), 1216--1224.
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Marshall, Lisa and Molle, Matthias and Hallschmid, Manfred and Born, Jan. (2004). Transcranial direct current stimulation during sleep improves declarative memory. Journal of Neuroscience, 24(44), 9985--9992.
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Marshall, Lisa and Molle, Matthias and Siebner, Hartwig R and Born, Jan. (2005). Bifrontal transcranial direct current stimulation slows reaction time in a working memory task. BMC neuroscience, 6(1), 23.
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Matsunaga, Kaoru and Nitsche, Michael A and Tsuji, Sadatoshi and Rothwell, John C. (2004). Effect of transcranial DC sensorimotor cortex stimulation on somatosensory evoked potentials in humans. Clinical Neurophysiology, 115(2), 456--460.
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DOI n/a
Nitsche, Michael A and Nitsche, Maren S and Klein, Cornelia C and Tergau, Frithjof and Rothwell, John C and Paulus, Walter. (2003). Level of action of cathodal DC polarisation induced inhibition of the human motor cortex. Clinical Neurophysiology, 114(4), 600--604.
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Quartarone, Angelo and Morgante, Francesca and Bagnato, Sergio and Rizzo, Vincenzo and Sant'Angelo, Antonino and Aiello, Elena and Reggio, Ester and Battaglia, Fortunato and Messina, Corrado and Girlanda, Paolo. (2004). Long lasting effects of transcranial direct current stimulation on motor imagery. Neuroreport, 15(8), 1287--1291.
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Rogalewski, Andreas and Breitenstein, Caterina and Nitsche, Michael A and Paulus, Walter and Knecht, Stefan. (2004). Transcranial direct current stimulation disrupts tactile perception. European Journal of Neuroscience, 20(1), 313--316.
DOI 10.1111/j.0953-816X.2004.03450.x
Siebner, Hartwig R and Lang, Nicolas and Rizzo, Vincenzo and Nitsche, Michael A and Paulus, Walter and Lemon, Roger N and Rothwell, John C. (2004). Preconditioning of low-frequency repetitive transcranial magnetic stimulation with transcranial direct current stimulation: evidence for homeostatic plasticity in the human motor cortex. Journal of Neuroscience, 24(13), 3379--3385.
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Vines, Bradley W and Nair, Dinesh G and Schlaug, Gottfried. (2006). Contralateral and ipsilateral motor effects after transcranial direct current stimulation. Neuroreport, 17(6), 671--674.
DOI n/a
Vines, Bradley W and Schnider, Nora M and Schlaug, Gottfried. (2006). Testing for causality with transcranial direct current stimulation: pitch memory and the left supramarginal gyrus. Neuroreport, 17(10), 1047.
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Items marked with* are investigational devices and for research use only. CAUTION - Investigational Device. Limited by Federal (or United States) law to investigational use.