Live-Vortrag von Leigh Hochberg und Philipp Kellmeyer an Harvard Medical School

The next event in the course of the Neuroethics Seminar series at Harvard Medical School will take place on Thursday, 3rd of December.

Topic of this edition are Brain-Computer-Interfaces (BCI) – also called Brain-Machine-Interfaces (BMI)  – that allow paralyzed persons to regain autonomy in daily routine by controlling wheel chairs or other assistive devices by the power of thougth.

The BMI researchers Leigh Hochberg from Harvard Medical School and Philipp Kellmeyer from the Medical Center, University of Freiburg, who is also one of the scientific collaboration partners of CorTec are discussing the latest results of their research and also ethical questions that are related to the use of such new technologies.

The lectures can be followed on live stream starting from 16.30h local time (22.30h MEZ). Thomas I. Cochrane is moderating the event.

Watch the event on Live-Stream

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SPECIFICATIONS

FEATURE 

Recording channels 

Sampling rate 

Sampling dynamic range 

High pass filter cut-off 

Low pass filter cut-off 

Amplifier band pass gain 

Band pass roll-off 

Reference


Stimulation 

Stimulation channels 

Current 

Current source 

Pulse width 

Power supply 

Wireless data transmission 

Closed Loop latency

VALUE

32 

1 kHz 

16 bit (74 nV smallest increment) 

ca. 2 Hz 

325 Hz 

Adjustable: 100-750 

20 dB/dec 

Any (subset) of the recording channels selectable by software or one dedicated hard-wired additional contact 

Current-controlled, biphasic, rectangular, asymmetric stimulus pulses (cathodic amplitude with pulse width followed by an anodic counter pulse of 1/4x amplitude and 4x pulse width) 

 32 

Max. -6 mA / +1.5 mA (24 µA increments) within

 compliance voltage range of -11 V to +5 V 

Can be directed to any of the 32 electrode contacts 

Negative phase: 10 µs – 2,500 µs

Wireless inductive, 120-140 kHz

Bi-directional, radio frequency in 2400-2483.5 MHz band ≤ 40 ms