Laboratory for Speech Physiology and Motor Control
Ludo Max, Ph.D. Director
Contact Information
Dept. of Speech & Hearing Sciences University of Washington 1417 NE 42nd Street Seattle, WA 98105-6246
(206) 543-2674 LudoMax@uw.edu Campus mailbox: 354875
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The facilities of the Laboratory for
Speech Physiology and Motor Control include, among other things:
- 17'0" x 7'5" sound booth (Industrial Acoustics)
- 3D electromagnetic
articulograph (Carstens Medizinelektronik) for motion tracking (200 Hz) of the
jaw, tongue, and lips during speech and
orofacial nonspeech movements
- Electromagnetic motion tracking (240 Hz) of arm, hand, and finger movements (Liberty, Polhemus)
- Computer-controlled robot to generate force fields or perturbations during jaw and hand/arm movements (Phantom Premium 1.0; Sensable Technologies)
- BioSemi ActiveTwo 128-channel EEG system with active electrodes for the registration of continuous EEG, movement-related cortical potentials, and auditory/visual/somatosensory evoked potentials.
- Grass Model 15 neurophysiological amplifier system with 15A54 quad amplifiers, electrode board, isolated power supply, and various types/sizes of electrodes for the registration of movement-related cortical potentials (Readiness Potential), evoked potentials, and electromyographic signals
- Custom workstation for the display of virtual visual targets in studies of reaching (including DLP projector, first-surface mirrors, and back-projection screen for display of targets and airsled systems for support of the arm on a glass worksurface).
- 3D virtual reality face mounted display (i-visor FX601)
- National Instruments PCIe-6343 A/D D/A board
- Measurement Computing PCI DAS6402-16 A/D D/A board
- Force/torque transducer for finger and mandibular applications (Nano 17, ATI-IA)
- Various hardware and software systems for the acoustic analysis and processing of speech and
voice
- High-quality audio instrumentation including various wired and wireless microphones, two digital vocal processors (VoiceOne, TC Helicon), two-channel mic preamp with digital output (ART), four-channel microphone mixer (Shure), four-channel headphones amplifier (Samson S-phone), professional CD recorder (Tascam CD-RW901 SL) and tape-decks (Tascam 202 MK IV)
- Laser disc player (Panasonic LX-121)
- Video Cassette Recorders and TV
- Networked desktop and laptop computers (Windows XP, Linux, Mac OSX) with DVD+RW drives and laser printers
- X-ray microbeam data base and cineradiography database
- MATLAB and LabView software
packages
- Custom-written and standard
experiment control and stimulus presentation software packages for various speech and
motor control experiments
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Professional Organizations/Meetings
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