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SmartEP

A sophisticated, full-featured evoked potentials system with the versatility to meet all your clinical and research needs.

  • Auditory
  • Somatosensory
  • Visual
  • Research Options
  • Hardware Platforms
  • Downloads

Auditory Evoked Potentials

SmartEP, is the most complete and flexible platform for the acquisition of Evoked Potentials. A straightforward Control Panel allows for fast data acquisition, while the great variety of controls allow you to perform tests the way you want them.

Base software functionality includes:

  • Electrocochleography (ECochG) using TM-Wick or other electrodes.
  • Click and Tone Auditory Brainstem Response (ABR).
  • Bone Conduction ABR.
  • Middle Latency Response (MLR).
  • Late Latency Response (LLR).

Optional Add-on Modules

  • P300/MMN software module
    for the acquisition of P300 and Mismatched Negativity.
  • eABR software module and hardware
    for acquisition in patients with Cochlear Implants.
  • Chained Stimulus software module
    for concurrent acquisition of multiple stimulus levels.
  • Notched Masking software module and hardware
    for ipsilateral masking using notched noise.

Somatosensory Evoked Potentials

Somatosensory EquipmentWith the SmartEP SSEP module you can efficiently evaluate the functional integrity of the somatosensory pathway using surface electrical pulse stimulation of the upper and lower limbs. SmartEP SSEP can also be
used for electroneuronography (ENoG).

Features include:

  • Flexible stimulus choices.
  • Hand-held stimulator probe.
  • Built-in impedance meter indicator.
  • On-screen current readout.
  • Easy data acquisition.
  • Fast waveform processing.
  • Customizable report generation.

Visual Evoked Potentials

Visual PotentialSmartEP Visual Evoked Potential module elicits VEP responses using patterns on a LED light array, providing valuable diagnostic information about conditions such as optic neuritis, optic tumors, retinal disorders, and demyelinating diseases such as multiple sclerosis.

Features include:

  • Visual Stimulator box with 144 light elements.
  • Centering point for test subject focusing.
  • 138 pre-programmed patterns.
  • Half, full, or quarter field stimulation.

 

Research options include:

  • Auditory High Frequency
    for testing human subjects up to 16kHz, or animal subjects up to 32kHz.
  • P300 Eye Blink Amplifier
    to help reject patient eye blinks during P300 acquisition.
  • Advanced Auditory Research module
    for additional flexibility of stimulus and acquisition timing, including stimulus mixing.
  • Continuous Loop Average Deconvolution (CLAD)
    for ultra fast rate acquisition of evoked potentials.
  • Low Current Electrical Stimulator
    for the collection of electrical evoked potentials on animal subjects.
  • VEP for animal research
    for collection of Visual Evoked Potentials using a strobbing LED.
  • cABR - complex ABR
    for auditory processing research. Developed in collaboration with the Auditory Neuroscience Laboratory at the Northwestern University School of Communication.

Research options may have restrictions for use on human subjects based on your location. Please contact us for additional details.

Hardware Platforms

USB Lite, Duet and USB Box

SmartEP can be used with any of our hardware platforms. Refer to the table below for details about the available capabilities for each platform. If you need additional information, please contact us.


SmartEP Software Capabilities
USB Lite1
Duet
USB Box
  ECochG
3
  ABR (Click, Tones, iChirp)
  MLR
3
  LLR
 
  Chained Stimuli  
  P300  
  P300 Eye Blink Amplifier2    
  High Frequency2    
  eABR (Trigger)  
  eeABR2    
  Notched Masking  
  CLAD  
  Visual EP    
  Visual EP (Animal)2    
  Low Current Elec. Stim.2    
  Somatosensory    
  Complex ABR (cABR)2  

1 The USBLite platform can only have a single channel of acquisition
2 Research use and/or limited clinical availability
3 Limited usability due to hardware filters

Brochures

Panfleto de información de SmartEP en EspañolBrochure for the SmartEP program in EnglishSmartEP Product Brochure
Download the brochure for additional information about the SmartEP product capabilities in the acquisition of auditory, somatosensory, and other evoked potentials.

 


Brochure for the SmartEP cABR Module in EnglishcABR Module Brochure
Download the brochure for additional information about the SmartEP cABR add-on module.


 

Hardware Specifications

Specifications for the Universal Smart Box PlatformUniversal Smart Box platform
Download the specifications sheet for additional information about the USB hardware platform and its capabilities in the acquisition of auditory, somatosensory, and other evoked potentials.

 


Specifications for the Duet PlatformDuet platform
Download the full platform brochure for additional information about the Duet platform and its capabilities in the acquisition of auditory evoked potentials.

 


Specifications for the Universal Smart Box Lite PlatformUniversal Smart Box Lite platform
Download the specifications sheet for additional information about the USBLite hardware platform and its capabilities in the acquisition of auditory evoked potentials.


 

SmartEP Application Notes

AEP Acquisition in SmartEP
This application note reviews the basic functions of SmartEP. It outlines a simple workflow that applies to all types of acquisition using this software module.

 


Application Note: Click ABR with SmartEPAcquiring Click ABR with SmartEP
This application note reviews the basic principles of acquiring auditory brainstem responses using click stimulation. It also contains the standard recommended settings for acquiring ABR recordings using SmartEP.

 


Application Note: Tone Burst ABR with SmartEPTone Burst ABR with SmartEP
Click stimulation only gives you a general representation of neural synchrony. To get more frequency specific information it is necessary to use tone burst stimulation. This note is an add-on to the Click ABR application note.

 


Application Note: Estimating Electrophysiological Hearing LevelsEstimating Electrophysiological Hearing Levels
When determining if an individual subject's hearing is normal, it may be necessary to establish a baseline for hearing levels. This application note explains the procedure for generating these estimates. The procedure can be used for human testing and for animal research applications.

 


Application Note: Bone Conduction ABR using SmartEPBone Conduction ABR using SmartEP
Some patients may be difficult to test using standard air conduction techniques or may have an air-bone gap; in those situations, bone conduction become essential. This application notes describes the methodology to acquire ECochG recordings using Tip-Trode electrodes in SmartEP

 


Application Note: Acquiring ECochG using SmartEPAcquiring ECochG using SmartEP
Electrocochleography lets you evaluate the response to auditory stimulus in the first stages of the auditory nervous system. This application notes describes the methodology to acquire ECochG recordings using Tip-Trode electrodes in SmartEP

 


Application Note: ECochG using TM-Wick electrodes in SmartEPECochG using TM-Wick electrodes in SmartEP
Electrocochleography can also be performed using Tympanic Membrane Wick electrodes. These electrodes will produce a stronger response, as they lay closer to the source emitters. This application note describes how to use the TM-Wick electrodes for ECochG acquisition.

 


Application Note: Acquiring Middle Latency Responses with SmartEPAcquiring Middle Latency Responses with SmartEP
Middle Latency Responses, also known as AMR or AMLR, occur after the ABR, reflecting the response of the auditory cortex. This application note describes how to acquire these auditory evoked potentials and the recommended test settings to do so.

 


Application Note: Acquiring Late Latency Responses with SmartEPAcquiring Late Latency Responses with SmartEP
Late Latency Responses, also known as ALR, appear to reflect the response of the auditory cortex, and typically occur between 50 and 250 milliseconds from the time of stimulation. This document describes the procedure and recommended settings needed for LLR acquisition.

 


Application Note: Chained Stimuli Acquistion with SmartEPChained Stimuli Acquistion with SmartEP
The Chained Stimuli module of SmartEP can be used for concurrent acquisition of multiple intensities, saving time when performing a threshold search. The different intensities in the chain can be presented sequentially or randomly; resulting in multiple waveforms at the end of a single run.

 


Application Note: Acquiring P300/MMN using SmartEPAcquiring P300/MMN using SmartEP
P300 and Mismatched Negativity responses are late auditory evoked potentials which can provide useful information about the nature of language and information processing problems in the brain. This document outlines recommended settings, patient instruction, and the proper procedure to acquire P300 and MMN responses.

 


Application Note: Cochlear Implant eABR using SmartEPCochlear Implant eABR using SmartEP
Electrical ABR can be used to obtain ABR responses from patients that have been implanted. This procedure uses the CI machine to stimulate, while SmartEP acts as an averager with the help of a trigger input.

 


Application Note: Animal Trans-tympanic eeABR with SmartEPAnimal Trans-tympanic eeABR with SmartEP
When doing ABR research on animal subjects, the auditory nerve may be stimulated electrically using this special SmartEP modality and needle electrodes. This note reflects a typical setup, actual settings and electrode placement may vary based on your application.

 


Application Note: Notched Noise Masking using SmartEPNotched Noise Masking using SmartEP
The Notched Noise Masking option allows the use of ipsilateral noise for the acquisition of isolated frequency specific responses. Some medical conditions may be able to be detected using the procedure outlined in this application note.

 


Application Note: Acquiring Visual Evoked Potentials (VEP) using SmartEPAcquiring Visual Evoked Potentials (VEP) using SmartEP
This application note outlines the procedure and recommended settings for acquiring VEP recordings using the SmartEP VEP modality. The VEP modality requires the use of the VEP Stimulator board.

 


Application Note: Somatosensory Evoked Potentials (SSEP) using SmartEPSomatosensory Evoked Potentials (SSEP) using SmartEP
The SmartEP somatosensory modality can provide electrical stimulation using surface electrodes to determine the integrity of the somatosensory pathways. This application notes outlined the procedure and recommended settings for SSEP acquisition.

 


Application Note: Electroneuronography (eNoG) using SmartEPElectroneuronography (eNoG) using SmartEP
This application note describes the proper procedure for the acquisition of eNoG recordings using the SmartEP somatosensory modality. This procedure is useful for evaluating and measuring the integrity of the facial nerve.

 


Application Note: Exporting Data from  SmartEPExporting Data from SmartEP
This application note shows the procedure for exporting acquired data from SmartEP. The ASCII format exported data can be later imported and used in other programs such as Microsoft Excel or MATLAB. This document also applies to SmartEP-ASSR and SmartTrOAE.


 

Related Documents

Application Note: Using the Stimulus Conversion UtilityUsing the Stimulus Conversion Utility
This application note describes the conversion of WAV format files to the IHS stimulus format. This document applies to SmartEP, IVRA, and SmartAudiometer.

 


Application Note: Calibration of High Frequency TransducersCalibration of High Frequency Transducers
This document shows the proper equipment, settings, and procedure necessary to verify the calibration of the High Frequency Transducers.

 


Application Note: High Frequency Transducer calibration in animal earsHigh Frequency Transducer calibration in animal ears
The cavity size of animal ears vary greatly. In order to achieve accurate recordings when doing animal research, the calibration needs to be adjusted to reflect the size of the cavity for the particular species.