NIRS-EEG technical info: Difference between revisions

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! Speaker position (degree) !! Device !! Channel !! Speaker position (degree) !! Device !! Channel
! Speaker position (degree) !! Device !! Channel !! Speaker position (degree) !! Device !! Channel
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|  ||  ||  || 0 || 0 || 0
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| -5 || 2 || 1 || 5 || 0 || 1
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| -10 || 2 || 2 || 10 || 0 || 2
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| -15 || 2 || 3 || 15 || 0 || 3
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| -20 || 2 || 4 || 20 || 0 || 4
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| -25 || 2 || 5 || 25 || 0 || 5
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| -30 || 2 || 6 || 30 || 0 || 6
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| -35 || 2 || 7 || 35 || 0 || 7
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| -40 || 2 || 8 || 40 || 0 || 8
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| -45 || 2 || 9 || 45 || 0 || 9
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| -50 || 2 || 10 || 50 || 0 || 10
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| -55 || 2 || 11 || 55 || 0 || 11
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| -60 || 2 || 12 || 60 || 0 || 12
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| -90 || 2 || 15 || 90 || 0 || 15
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==LEDs==
Red and green leds are mounted in the center of the speakers:
{| class="wikitable"
|+ Speaker Position Table
|-
! Speaker position (degree) !! Device !! Channel !! LED position (degree) !! Device !! Channel
|-
|-
|  ||  ||  || 0 || 0 || 0
|  ||  ||  || 0 || 0 || 0

Revision as of 11:57, 4 June 2025

Lab floor plan
Refa64
Mobita32

back to NIRS-EEG

Booth

  • Dimensions: LxWxH = 540x280x265cm

Acoustics

  • Walls: pyramid type acoustic foam
  • Floor: anti-fatigue rubber floor mat with holes

see Acoustic Materials

Rack

TDT

  • 1 RZ6 Multi-core I/O Processor (DSP)
  • 2 PM2R multiplexer
  • 1 RP2 Enhanced Real-Time Processor (DSP)
  • 2 RA16 Medusa base station

Speakers

A semi-circle of 31 Cambridge Audio Minx Min12 speakers is available for sound localization experiments:

Speaker Position Table
Speaker position (degree) Device Channel Speaker position (degree) Device Channel
0 0 0
-5 2 1 5 0 1
-10 2 2 10 0 2
-15 2 3 15 0 3
-20 2 4 20 0 4
-25 2 5 25 0 5
-30 2 6 30 0 6
-35 2 7 35 0 7
-40 2 8 40 0 8
-45 2 9 45 0 9
-50 2 10 50 0 10
-55 2 11 55 0 11
-60 2 12 60 0 12
-70 2 13 70 0 13
-80 2 14 80 0 14
-90 2 15 90 0 15

LEDs

Red and green leds are mounted in the center of the speakers:

Speaker Position Table
Speaker position (degree) Device Channel LED position (degree) Device Channel
0 0 0
-5 2 1 5 0 1
-10 2 2 10 0 2
-15 2 3 15 0 3
-20 2 4 20 0 4
-25 2 5 25 0 5
-30 2 6 30 0 6
-35 2 7 35 0 7
-40 2 8 40 0 8
-45 2 9 45 0 9
-50 2 10 50 0 10
-55 2 11 55 0 11
-60 2 12 60 0 12
-70 2 13 70 0 13
-80 2 14 80 0 14
-90 2 15 90 0 15

EEG

  • 32 channel water-based electrode system (TMSI, Mobita), including headcap(s)
  • 72 channel REFA, including headcaps in 3 different sizes (TMSI)
  • 16 channel REFA (TMSI)
  • ring electrodes including separate caps for combined measurements with NIRS
  • TMSI Polybench recording software

NIRS

  • 2 x 24 channel system (Oxymon, Artinis) each consisting of 8 transmitters and 4 receivers (splitted fibers)
  • sampling rate up to 250 Hz
  • 8 AD channels (according to Artinis, they only sample at the rate of all other channels. Care needs to be taken, if sampling at low rates. Present your triggers for longer durations then)
  • Oxysoft recording software

Disposables

For the preparation of the subjects you need all types of disposables like alcohol, lotion, cotton pads, electrolyte gel, etc... You can find information about these items in NIRS-EEG lab disposables, and also info where to order them when needed.

Kitchen

EEG/NIRS kitchen

A small kitchen is available for washing the hair of the subject and for cleaning caps and other equipment afterwards.

FIRST AID (EHBO)

Above the kitchen on the right there is a FIRST AID-kit on the wall.

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