Acticap

Manufactured by Brain Products

Sourced in Germany

ActiCAP is a portable, wireless EEG system designed for research and clinical applications. It provides real-time, high-quality EEG data acquisition with minimal setup time and reduced experimental constraints. The system features active electrodes and a compact, wireless amplifier to facilitate natural and unrestricted participant movements during data collection.

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Close spelling variants of this product

ActiCap system (44 citations) ActiCAP slim (11 citations) ActiCAP electrodes (8 citations) Brain Vision actiCAP system (6 citations) ActiCAP slim active electrodes (6 citations) ActiCAP Control (4 citations) ActiCAP 64Ch Standard-2 (4 citations) 32-channel actiCAP system (4 citations) ActiCAP Xpress (3 citations) ActiCAP snap (3 citations)

203 protocols using acticap

High-Density EEG Acquisition Protocol

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The EEG was acquired using 64 active electrodes (ActiCap, Brain Products GmbH, Gilching, Germany) referenced to Cz, a BrainAmp MR amplifier and recorded through the software Brainvision recorder (Brain Products GmbH), with an high-pass filter set at 0.016 Hz and a low-pass filter set at 1000 Hz, 500 Hz sampling rate and 0.1 μV resolution per least significant bit. All impedances were kept below 25 KOhm as recommended by Brain Products for the ActiCap.

Pletti C., Decety J, & Paulus M. (2019). Moral identity relates to the neural processing of third-party moral behavior. Social Cognitive and Affective Neuroscience, 14(4), 435-445.

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Multichannel EEG Recording Protocol

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Electroencephalographic activity was recorded at a sampling rate of 1000 Hz with 64 Ag/AgCl electrodes mounted on an elastic cap (ActiCaps, Brain Products, Munich, Germany), using the Brain Vision Recorder software version 1.21.0303 (Brain Products, Munich, Germany). Electrodes were arranged according to a modified 10/20 system without electrodes at positions FPz, F9, F10, CP3, CP4, P9, P10, PO7, PO8, and with two additional electrodes at positions PO9 and PO10. Eye movements were recorded with four EOG channels (positioned at the outer canthi bilaterally and infra- and supraorbitally on the right). An electrode at the FCz position was used as reference, while the electrode at position AFz served as ground. Electrode impedances were always kept below 5 kΩ.

Lockhofen D.E., Hübner N., Hemdan F., Sammer G., Henare D., Schubö A, & Mulert C. (2021). Differing Time Courses of Reward-Related Attentional Processing: An EEG Source-Space Analysis. Brain Topography, 34(3), 283-296.

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EEG Recording in Sound-Attenuated Room

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Participants were seated in a sound-attenuated and electrically-shielded room, eyes open, in a slightly reclined chair with a headrest, and looked at a fixation cross presented at a 19‶ computer monitor. We recorded the EEG with a sampling rate of 1000 Hz, with 66 active electrodes mounted on an elastic cap (ActiCaps, Brain Products, Munich, Germany) using the Brain Vision Recorder software Version 1.10 (Brain Products, Munich, Germany). Electrodes were positioned in a modified 10/10 system without electrodes at FPz, F9, F10, T9, T10, CP3, CP4, P9, P10, PO7, PO8, and additional electrodes positions PO9 and PO10. Eye movements were recorded through four EOG channels. An electrode at the FCz position was the reference electrode. The electrode at position AFz served as ground. Impedances were always below 5 kΩ.

Lu L., Han A.P, & Chen J.J. (2001). Translation Initiation Control by Heme-Regulated Eukaryotic Initiation Factor 2α Kinase in Erythroid Cells under Cytoplasmic Stresses. Molecular and Cellular Biology, 21(23), 7971-7980.

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High-Density EEG Acquisition Protocol

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EEG was recorded using 64 Ag/AgCl active electrodes placed in actiCaps (Brain Products, Munich, Germany) and arranged according to the 10-20 system. Fifty-nine electrodes were used for scalp recordings, four electrodes recorded vertical and horizontal EOG and one electrode was placed on the left mastoid for potential additional reference. Data was collected using BrainVisionRecorder (Brain Products, Munich, Germany) with the right mastoid as online reference and a sampling rate of 1000Hz. Impedances were kept below 10kOhm and data was monitored throughout the session by the experimenter.

Braukmann R., Bekkering H., Hidding M., Poljac E., Buitelaar J.K, & Hunnius S. (2017). Predictability of action sub-steps modulates motor system activation during the observation of goal-directed actions. Neuropsychologia, 103.

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EEG Recording with Active Electrodes

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Continuous EEG was recorded from 32 Ag/AgCl active electrode sensors with integrated noise subtraction circuits (actiCap, Brain Products GmbH, Gilching, Germany), placed according to the 10/10 system with a reference electrode located at FCz. Signals were recorded in the frequency range from 0.016 to 450 Hz, and digitized with a sampling rate of 1000 Hz using a Brain Products BrainAmp MR plus (Brain Products GmbH, Gilching, Germany). Electrode impedance was maintained below 10 KΩ.

Gärtner M., Irrmischer M., Winnebeck E., Fissler M., Huntenburg J.M., Schroeter T.A., Bajbouj M., Linkenkaer-Hansen K., Nikulin V.V, & Barnhofer T. (2017). Aberrant Long-Range Temporal Correlations in Depression Are Attenuated after Psychological Treatment. Frontiers in Human Neuroscience, 11, 340.

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High-Density EEG Acquisition Protocol

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Continuous EEG signals were recorded from 64 channels using Ag/AgCl active electrodes arranged in a 10–20 layout (ActiCap, Brain Products GmbH, Gilching, Germany) at a sampling rate of 1,000 Hz, referenced at FCz. Channel impedances were kept below 10 kΩ.

Aller M, & Noppeney U. (2019). To integrate or not to integrate: Temporal dynamics of hierarchical Bayesian causal inference. PLoS Biology, 17(4), e3000210.

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Continuous EEG Scalp Recording Protocol

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Continuous EEG was recorded from 64 scalp sites using the actiCap electrode system, a 72-channel amplifier (QuickAmp) and BrainVisionRecorder^® software (all from Brain Products, Munich, Germany). Electrodes were positioned according to the extended International 10–20 System. The EEG signal was recorded against an average of all channels calculated by the amplifier hardware, with the ground placed at the chin. For electrooculogram (EOG) monitoring, two bipolar electrodes were placed at the outer canthi of both eyes and another two above and below the left eye. Impedance was always kept below 10 kΩ and mostly below 5 kΩ. Signals were recorded with a sampling rate of 1000 Hz and a low-pass filter with cut-off at 280 Hz.

Trautwein F.M., Naranjo J.R, & Schmidt S. (2016). Decentering the Self? Reduced Bias in Self- vs. Other-Related Processing in Long-Term Practitioners of Loving-Kindness Meditation. Frontiers in Psychology, 7, 1785.

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EEG Acquisition of Infant Cortical Responses

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We recorded the EEG data with active electrodes and an acquisition system from Brain Products (Hardware: actiCAP and actiCHamp, Brain Products GmbH, Gilching, Germany ). We used a 10-channel layout to acquire cortical responses from the following scalp positions: F7, F3, FZ, F4, F8, T7, C3, CZ, C4, T8 (Fig. 1b). We chose these recording locations in order to include those where auditory and speech perception related neural responses are typically observed in infants (Stefanics et al., 2009 (link); Tóth et al., 2017 (link); channels T7 and T8 used to be called T3 and T4 respectively). We used two additional electrodes placed on each mastoid for online reference, and a ground electrode placed on the forehead. We recorded the data at a sampling rate of 500 Hz. The electrode impedances were kept below 140 kΩ for newborns and 40 kΩ for 6-month-olds.

Ortiz Barajas M.C., Guevara R, & Gervain J. (2021). The origins and development of speech envelope tracking during the first months of life. Developmental Cognitive Neuroscience, 48, 100915.

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Electrode Positioning and EEG Recording

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Continuous EEG data were recorded from an active electrode EEG system (LiveAMP, Brain Products, GmbH, Gilching, Germany) using 10 slim electrodes (ActiCAP, Brain Products GmbH, Gilching, Germany). Electrodes were positioned at Fpz, FCz, Cz, Pz, TP9, and TP10. The horizontal electrooculogram (HEOG) was recorded from two electrodes placed lateral to the external canthus of each eye, while the vertical electrooculogram (VEOG) was recorded from two electrodes placed approximately 1 cm above and below the left eye. Throughout recording, the EEG data were sampled at 500 Hz and band-pass filtered from 0.01–100 Hz. EEG recording was started when electrode impedances were at or below 25 kΩ. The online reference electrode was FCz and the ground electrode was Fpz.

Brush C.J., Burani K., Schmidt K.M., Santopetro N.J, & Hajcak G. (2021). The impact of a single session of aerobic exercise on positive emotional reactivity in depression: Insight into individual differences from the late positive potential. Behaviour research and therapy, 144, 103914.

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Comprehensive EEG Acquisition Protocol

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EEG was continuously recorded through 60 active electrodes (actiCAP, Brain Products GmbH, Munich, Germany) placed after the 10-10 international system, with AFz as ground, and reference electrode placed on the tip of the nose. Horizontal and vertical electro-oculograms (hEOG and vEOG) were recorded from two additional electrodes placed at the outer canthus and under the right eye, respectively. Other two additional electrodes were placed over the left and right mastoids for off-line re-referencing.
Impedance was kept below 10 k. The EEG signal was recorded via BrainVision Recorder (Brain Products GmbH, Munich, Germany) at a sampling rate of 500Hz.

Castro L., Soto-Faraco S., Morís Fernández L, & Ruzzoli M. (2018). The breakdown of the Simon effect in cross-modal contexts: EEG evidence. The European journal of neuroscience, 47(7).

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