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ERS: Evoked Response

Modular construction...extreme flexibility

MP systems offer features to support nearly every physiological recording scenario. The following advanced features apply to the application you selected.

If you don't see an Advanced Feature that interests you, please contact BIOPAC so we can identify the best solution for your particular need.

Auditory Brainstem Response (ABR)

MP Devices can be used for a wide variety of Brainstem Evoked Potential (BEP), Brainstem Evoked Response (BER), Brainstem Auditory Evoked Potential (BAEP), Brainstem Auditory Evoked Response (BAER), Brainstem Evoked Response Audiometry, and Brainstem Evoked Response (BSER) tests. The MP device is capable of delivering auditory stimulation and recording and averaging the response data. The […]

Auditory Evoked Response (AER) & Jewett Sequence

To perform on-line AER studies, combine the auditory output options of the STM100C Stimulator with the signal averaging functions of the MP System. Present auditory stimuli directly via a tubephone and the software will display results and allow users to measure the amplitude and time of both Short Latency Auditory Evoked Potential (SAEP) and Middle Latency […]

Automated EEG Analysis

AcqKnowledge includes a number of fully automated EEG analysis functions. Compute Approximate Entropy Approximate entropy is a statistical measure that attempts to quantify the predictability of a data sequence. A perfectly predictable data series (such as a pure sine wave) has an approximate entropy of zero. Several studies are beginning to examine approximate entropy of […]

Automatically Control Other Equipment

The MP System will interface with a wide variety of devices such as pumps, valves, stimulators and switches. The MP System has 16 digital I/O lines that can be manually or automatically controlled with the AcqKnowledge® software. By using the on-line Calculation and Control channel functions it’s possible to automatically trigger devices to turn on […]

Event-Related Potentials (ERP) Analysis

Present a variety of visual and auditory stimuli on one computer while AcqKnowledge records the stimuli event markers and psychological responses on another computer. As the stimuli are presented, the STP100W simultaneously (with 1ms resolution) sends trigger signals to the MP System for data synchronization and collection. The STP100W software (SuperLab) can be used to change […]

Extra-cellular Spike Recording

Record and analyze extra-cellular spikes using a glass or wire micro-electrode and the MCE100C micro-electrode amplifier. Use the averaging function in AcqKnowledge to determine the average response, or count the number of spikes with the peak detection function. To identify trends within the firings, use the Histogram and FFT analysis functions. Measure the amplitude, duration, and […]

Nerve Conduction Studies

Stimulate and record signals from nerves in-vivo or in-vitro; using the built-in software averaging mode, it’s possible to record signals from in-vivo nerves using skin surface electrodes only. Surface electrodes can also be used for peripheral nerve stimulation (PNS) and to evaluate the effects of stimulation to motor nerve endings in terms of electrical or […]

Signal Averaging

Remove background noise and extract the signal of interest with the on-line signal-averaging mode. Use the Preferences to set the sweep duration and the number of averaging trials. Specify artifact rejection criteria, and determine the triggering options. Calculate the average and display the result in real time. Count and display the total number of averages, […]

Software-Controlled Stimulator

Use the guided setup features in the AcqKnowledge® Stimulator dialog to design visual, auditory, electrical (current/voltage), somatosensory, stimulation paradigms. BIOPAC electrical stimulators are suitable for Electrical Muscle Stimulation (EMS), Functional Electrical Stimulation (FES), Neuromuscular Electrical Stimulation (NMES), and Vagus Nerve Stimulation (VNS), general nerve stimulation and auditory output. The AcqKnowledge stimulator dialog makes it easy to […]

Somatosensory Evoked Response (SER)

BIOPAC provides hardware and software tools for recording and analyzing Somatosensory Evoked Responses (SSER). AcqKnowledge® and the MP System can deliver tactile stimulation through the TSD190 Haptic Stimulator Transducer. The transducer is connected to a subject and AcqKnowledge software delivers pulses that trigger the transducer to tap the subject for sensory stimulation (SST). The software […]

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BIOPAC Facial EMG

FEMG Smart Amplifier

The fEMG Electromyography Smart Amplifier is designed specifically for recording facial EMG signals and electrical activity from other small muscle groups. Use with AcqKnowledge™ software to analyze facial expressions and startle paradigms. BIOPAC’s new Smart Amplifiers are designed for great data. Smart Amplifiers improve performance by amplifying the physiological signal close to the subject, which allows a high-level […]

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