Psychology

College of Natural Sciences

Cognitive Neuroscience Labs

Center for Applied Cognitive Neuroscience

The Center for Applied Cognitive Neuroscience (CAPCON) consists of 1000 sq. ft. of space located in newly renovated space in the Clark Building on the main campus of Colorado State University. The laboratories of the center feature several high-density EEG systems, a diffuse optical tomography/fNIRS system, transcranial electrical stimulation, and high-speed remote eye tracking.

Functional Near Infrared Spectroscopy

A NIRx NIRScout Extended system for functional near infrared spectroscopy (fNIRS) and diffuse optical tomography (DOT). The system has 48 LED sources and 32 silicon photodiode detectors and can sample up to 63.5 Hz in a time-multiplexing schema. LED sources emit 760 and 850 nm IR signals. The optodes are placed on the scalp using Brain Products/EasyCap 128 channel EEG caps that can swap EEG electrodes or optodes into the same plastic adapters configured in the 10-5 electrode system. Each cap comes with a black overcap worn over the optodes to reduce ambient light and provide extra tension to hold the optodes on the scalp. Spring-loaded components are also available for mounting the optodes to the caps to reduce preparation time.

Electroencephalography

  1. A g.Tec HiAmp active/passive EEG system, configured with 144 channels. The EEG system can use either active or passive electrodes. Each channel has its own independent ADC and all channels can be sampled at rates of up to 15 kHz. This system uses the same caps as the fNIRS system.
  2. Two 64 channel Neuroscan Synamps 2/RT system consisting of 140 recording channels (128 + 8 bipolar + 4 miscellaneous inputs). The system has 2 separate 64-channel headboxes that can be configured as independent 64 channel systems. All channels can be sampled up to 20 kHz. A variety of QuickCap sizes are available and can be configured to use gel or QuickCell sponges and electrolyte.
  3. A 40-channel Neuroscan Nuamps portable EEG system.

Eye-tracking

An SR Research Eyelink 1000 Plus remote eye-tracker than can sample at 2 kHz for monocular recordings or 1 kHz for binocular recordings.

Transcranial Electrical Stimulation

A Soterix transcranial electric stimulator (tES), capable of performing tDCS, tACS and tRNS. The system also has a 4x1 converter, with caps and electrodes, to perform higher density stimulation than the usual 1x1 sponge arrangements.

Ancillary Equipment

A Polhemus Patriot magnetic digitizing system is available for locating electrode and/or optode locations and establishing head-coordinate systems for co-registration with MRI structural images or other functional imaging data.

 

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