Institute for Language Sciences Labs


Baby eye-tracking lab

The baby eye-tracking lab (room K.09) has an arm-mounted EyeLink 1000, and can be used for eye-tracking research with infants, older children, or adults.

Technical specs

EyeLink 1000

  • Arm-mounted eye-tracker
  • Accuracy (according to manufacturer): 0.5 degrees (monocular, remote mode with target sticker) or 0.15-0.5 degrees (monocular/binocular, participant fixated with chin rest)
  • Temporal resolution: 250-500Hz (remote mode with target sticker), or 250-1000 Hz (participant fixated with chin rest)
  • Dark-pupil technology
  • Distance of participant to the screen: 40-70 cm
  • Hardware lives in DOS PC (a.k.a. EyeLink Host PC)
  • Illuminators and lenses:
    • 940nm modified Illuminator and 16mm Lens with iris removed for use with Arm Mount on infants under 5-6 months of age
    • 890nm Illuminator with 25mm & 35mm lenses for use in participants older than 5-6 months.

Internal equipment

  • Acer AL1717 monitor 17″; 34x27cm viewable area
  • Logitech keyboard deluxe 250
  • Logitech optical mouse RX250
  • BeyerDynamic floormicrophone MPC 66V
  • 3-button buttonbox
  • Mp3 player with earplugs and usb cable (DFRNCE MP755 4 Gb)
  • (Part of arm-mounted eye-tracker) EyeLink CL
  • (Part of arm-mounted eye-tracker) EyeLink Illuminator AM 890 or 940nm
  • Blue/grey high chair for babies (option A)
  • White plastic high chair for babies (option B)
  • Pan/Tilt camera
  • 2 x Tangent speakers EVO E4 (20-100 Watt)

External equipment

  • Stimulation PC (im-lab-et-01r)
    • iiyama Prolite E2273 HDS 22″ monitor
    • HP Compaq 6300 PRO MT PC
    • 3-button buttonbox
    • Intel Core i5 (3e Gen) 3470 / 3.2 GHz ( 3.6 GHz )
    • 8 GB DRAM
    • 250 GB SSD + 1 TB HDD
    • Windows 10, 64 bit + Kubuntu 16.04
    • audio card Asus Xonar D2
  • SR Research Eyelink PC
    • Win7 / Eyelink (msdos) dualboot
    • Acer V173 17″ monitor
  • Audio Equipment:
    • (Phonic AM 440 Mixer)
    • Sony TA-FE230 Amplifier
    • BeyerDynamic Headphones DT770 (2x 600 Ohm)
    • AiPhone LEF3 (not connected)
    • Acer V173 connected to eyetracker
  • Video recording PC:
    • Logitech C920 webcam (on top of participant screen)
    • Recording PC (im-lab-k09-02) exact specs, TODO
    • Note the startup order for all PC’s if you want to use video recordings!
    • See howto (how-to-link TODO)

Room details

Usage rules

Keeping the facilities in this lab in the best possible condition requires your cooperation; please read the house rules and stick to them. Especially important:

  • Never ever change or remove any wiring; don’t pull out any plugs
  • No eating or drinking (except coffee, tea, water)
  • Clean up
  • Ask for help, report all problems