Conversations on Bionics and Pain copertina

Conversations on Bionics and Pain

Conversations on Bionics and Pain

Di: Dr. Max Ortiz Catalan
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A proposito di questo titolo

This show is about engineering and medical developments related to bionics and pain, particularly the use of science and technology to restore function in the human body and alleviation of pain.

The episodes come in two formats. The most common are long interviews with established researchers about their work and the historical context in which it happened, such as the state-of-the-art at the time and the motivation behind it. The second format is shorter interviews with the authors of recent scientific articles about their findings.

In both formats, the guests will talk about their career paths, their views on current challenges in the field, and the opportunities ahead. We also talk about their views on science and the social aspects surrounding it, without shying away from controversial topics.

The target audience is students and professionals interested in pain, bionics, biomechatronics, neural engineering, computer-brain interfaces, biomedical engineering, and such topics in which medicine and engineering partner up.

The show is hosted by Dr. Max Ortiz Catalan, Ph.D., who is the Director of the Center for Bionics and Pain Research (www.cbpr.se) and known for his work on prosthetic limbs and phantom limb pain.

Social media: Facebook, Twitter, Instagram, and LinkedIn. 


Music by Dr. Enzo Mastinu

Art by David Martín Espinosa

All rights reserved. Disturbo fisico e malattia Igiene e vita sana Scienza
Episodi
  • A2 Somatosensory Plasticity | Prof. Sliman Bensmaia

    A2 Somatosensory Plasticity | Prof. Sliman Bensmaia
    Apr 25 2021

    Episode on the article “Chronic Use of a Sensitized Bionic Hand Does Not Remap the Sense of Touch” (Ortiz-Catalan et al., Cell Reports, 2020). I discuss with Prof. Sliman Bensmaia at the University of Chicago, with whom we published this article, how the long-term used of a bionic hand that elicits tactile sensory feedback in a location distinct to that observed by the user, provided evidence to the inability of the brain to change enough as to generate an experience that solves the mismatch. In other words, we showed a hard constraint to brain plasticity in the somatosensory system.

    Interview by Dr. Max Ortiz Catalan, Ph.D., Bionics Professor and Director of the Center for Bionics and Pain Research (Social media: FB, TW, IG, and LI).


    Episode timestamps

    (00:00) Coming up

    (04:00) Introduction

    (11:25) Introducing Prof. Sliman Bensmaia

    (12:30) Betting on brain plasticity           

    (13:48) How do we feel touch?

    (14:54) Our experiment with neuromusculoskeletal prostheses

    (17:53) Lack of selectivity of neural interface

    (20:12) Why should percept location change?

    (22:05) Evidence for perceptual updates

    (28:19) Brain plasticity

    (30:35) Somatosensory plasticity would have benefited designers of neural interfaces

    (34:01) Single vs train of pulses

    (39:58) Sex transfer procedures support the stability of somatosensory (phalloplasty)

    (43:26) Stay open to possibilities, yet state your stand.

    (46:36) Ideal restoration of sensory feedback
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    51 min
  • 2 Prof. Todd Kuiken | Targeted Muscle Reinnervation

    2 Prof. Todd Kuiken | Targeted Muscle Reinnervation
    Feb 26 2021

    Prof. Todd Kuiken developed Targeted Muscle Reinnervation (TMR) – a surgical method to rewire the nervous system of people with amputations to better interface with prosthetic limbs. He is the Emeritus Director of the Regenstein Foundation Center for Bionic Medicine at the Sherly Ryan AbilityLab and an Emeritus Professor at Northwestern University. In addition to his contributions to the treatment of amputees, we talked about how great multidisciplinary medical and engineering teams can be created and the importance of having a clear direction. He also shared some insights on one of the hardest aspects of research - how to decide when to terminate projects and reject bad ideas, and we wrapped up with advices for students.


    Interview by Dr. Max Ortiz Catalan, Ph.D., Bionics Professor and Director of the Center for Bionics and Pain Research (Social media: FB, TW, IG, and LI).


    Episode timestamps

    (00:00) Coming up…

    (01:08) Introduction

    (05:22) Career path

    (07:02) Path leading to Targeted Muscle Reinnervation (TMR)

    (09:16) The Center for Bionic Medicine (CBM) at RIC

    (10:32) The Shirley Ryan Ability Lab

    (11:56) Brining engineers and physicians together

    (13:43) Working with different professions

    (16:00) Targeted Muscle Innervation (TMR)

    (19:00) Mathematical algorithms for decoding motor volition

    (21:10) Route to TMR

    (24:00) Dissemination of TMR

    (24:39) TMR for Pain

    (26:40) Regenerative Peripheral Nerve Interfaces (RPNIs)

    (28:00) TMR to treat neuroma pain (Ann Surg)

    (32:26) Neuroma Pain Vs Phantom Limb Pain

    (34:37) TMR’s success rate

    (36:00) Targeted Sensory Reinnervation (TSR)

    (39:00) TMR as a standard of care

    (40:35) Prof. Kuiken’s contribution to the field

    (41:20) Further surgical modification for machine interfacing

    (43:20) Osseointegration

    (45:02) Myoelectric pattern recognition

    (45:30) The relation between academy and industry

    (48:40) Termination of "bad" ideas

    (51:34) Using magnets to control wrist rotation

    (43:40) Using magnets for dexterous control (Myokenetic)

    (54:57) Neuromusculoskeletal prostheses

    (56:20) Future of artificial limbs

    (57:40) Wireless implantable electrodes

    (59:23) Advice to students
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    1 ora e 3 min
  • A1 Open-Source Bionic Leg | Prof. Elliott Rouse and Prof. Levi Hargrove

    A1 Open-Source Bionic Leg | Prof. Elliott Rouse and Prof. Levi Hargrove
    Jan 24 2021

    Interview with the senior authors of the article “Design and clinical implementation of an open-source bionic leg” (Azocar et al., Nat Biomed Eng, 2020), Prof. Elliott Rouse, Ph.D., at the University of Michigan, and Prof. Levi Hargrove, Ph.D., at the Sherly Ryan AbilityLab and Northwestern University. We discuss their Open-Source Leg project in the context of the state-of-the-art in prosthetic legs, promising research directions, and how to identify “not so good” research or development ideas.

    Interview by Max Ortiz Catalan, Ph.D., Assoc. Professor on Bionics and Director of the Center for Bionics and Pain Research (Social media: FB, TW, IG, and LI).


    Episode timestamps

    (00:00) Coming up

    (01:23) Introduction

    (02:51) Introducing A. Prof. Elliott Rouse

    (04:32) Introducing A. Prof. Levi Hargrove

    (06:10) Why the open-source leg (OSL)?

    (10:30) The OSL: The Design and Development

    (14:40) The OSL: The Purpose

    (17:03) Translation to Industry

    (20:40) Human testing

    (24:05) Neural Integration

    (27:48) Multiple degrees of freedom?

    (30:13) The Limiter: Hardware or Control?

    (36:55) Safety and Therapy as a Consideration

    (38:04) Sensory feedback

    (39:05) Setting research priorities: Are we satisfying patient’s needs?

    (39:52) Interesting research topics and directions

    (41:50) Critically appraising previous research

    (45:00) Identifying bad ideas.

    (51:55) OSL website and further information.
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    53 min
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