A.02._fNIRS_MECs_04-10-2019.DOCX

Attachment A Brand Name or Equal Cortech Solutions, Inc.

Dual Brite 54 Functional Near-Infrared Spectroscopy (fNIRS) MSi Mobita 32 Electroencephalogram (EEG) Integrated System

Minimum Essential Characteristics (MECs)

1. The Functional Near-Infrared Spectroscopy (fNIRS) system must meet the specifications listed in each individual item on the purchase sheet, and meet the following salient characteristics:

2. Functional Near-Infrared Spectroscopy (fNIRS) system

a. Must be capable of near whole head coverage with variable configurations of optodes

b. Must have high volume of channels equaling 54 or higher, and consisting of 20 transmitting optodes and 16 receiving optodes

c. Must have nominal frequencies of transmitting optodes to be 760 and 850 nm

d. Sampling rate must be 50 Hz or higher for all channels employed

e. Must be able to integrate 9 axis orientation sensor within main unit

f. Must be wireless or Bluetooth capable for portability and online data acquisition

g. Must have capability for offline wire-free data acquisition and data storage

h. Must offer 16 bit data resolution

i. Device must be able to be powered by battery for portability and wire-free operations

j. Package needs to include laptop with all software needed for data acquisition and data analysis of fNIRS EEG data with appropriate licenses such as OxySoft for NIRS and EMSE for EEG.

k. Package must include a travel-proof case for the equipment

l. Package must include headcaps of multiple sizes capable of being configured with fNIRS optodes and EEG electrodes. Prefer 2 of each, Adult small, medium, large, and extra-large with chin straps and 2 plastic head-cap stands for drying and storing electrode caps

3. Electroencephalogram (EEG) integrated system with fNIRS

a. Must have 32 channel or greater capability

b. Must be capable of wireless real-time data collection with wireless connection to a laptop

c. Must offer active shielding on electrode cabling

d. DC recording possible, 24 bit data resolution, and noise < 0.4 µVrms (0,1 … 10 Hz)

e. Must be capable of collecting and storing > 6 hours of offline data

f. Must be capable of variable sampling frequencies as high as 2000 Hz and as low as 500 Hz

g. Must be fully integrated with fNIRS system to allow for concurrent fNIRS and EEG data acquisition

h. Must be powered by rechargeable battery

4. Other package requirements

a. Package must contain a wireless system to generate an event signal which precisely marks the data for syncing fNIRS and EEG data as well as task related events capable of sending two distinct event signals (for example a high and low signal).

b. Package software must offer Lab Streaming Layer support for the transmission of physiologic data and TTL triggers. Also must offer MatLab FieldTrip plug in for real-time streaming of data.

c. Package must contain means of acquiring x, y, z coordinates of optodes/electrodes

d. Package must come with all necessary consumables and products (e.g., electrode gel, tape, electrodes, cleaning supplies, syringes, tape) for 100 participants

e. Delivery of equipment must be accompanied by on-site installation, orientation, and training for the equipment.