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Implantable Optoelectronics for Neural Interfaces.

Record Type:	Language materials, manuscript : Monograph/item
Title/Author:	Implantable Optoelectronics for Neural Interfaces./
Author:	Pollmann, Eric Hiroshi.
Description:	1 online resource (182 pages)
Notes:	Source: Dissertations Abstracts International, Volume: 84-10, Section: B.
Contained By:	Dissertations Abstracts International84-10B.
Subject:	Electrical engineering. -
Online resource:	click for full text (PQDT)
ISBN:	9798379417239

Implantable Optoelectronics for Neural Interfaces.
Pollmann, Eric Hiroshi.

Implantable Optoelectronics for Neural Interfaces. - 1 online resource (182 pages)

Source: Dissertations Abstracts International, Volume: 84-10, Section: B.

Thesis (Ph.D.)--Columbia University, 2023.

Includes bibliographical references

In neuroscience, optical techniques have become the leading method over electrophysiological techniques because of their ability to target defined populations upon tagging both for in vivo recordings using genetically encoded calcium or voltage indicators and stimulation using optogenetic opsins at the single neuronal level. Additionally, optical imaging has a smaller tissue displacement factor, the ratio of displaced neuronal tissue to field of view (FoV), thus accelerating the ability to simultaneously record from a larger volumes of neurons whereas electrophysiology arrays are limited in the total number of recordable neurons by the amount of sustained tissue damage. Conventional optical approaches, however, typically rely on microscopy techniques which require the subject to be head-fixed thus limiting the applicability especially at the chronic setting, raising the need for fully implantable optical interfaces. As a result, multiple lens-based miniature microscopes have been developed in academia and industry. Nevertheless, a truly implantable optical neurotechnology has remained intractable because traditional miniaturized fluorescence microscopes require an opening in the dura and skull that matches or exceeds the FoV and chronically extends outside the skull, resulting in a poor overall displacement factor. To overcome these limitations, I developed and characterized various implantable optoelectronic platforms designed to optically record from large neuronal FoVs in a minimally invasive implantable form factor. These works culminated in the SCOPe (Subdural CMOS Optical Probe) platform which was validated in multiple in vivo demonstrations involving mouse and nonhuman primate.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2024

Mode of access: World Wide Web

ISBN: 9798379417239Subjects--Topical Terms:

596380
Electrical engineering.
Subjects--Index Terms:

Brain machine interfaceIndex Terms--Genre/Form:

554714
Electronic books.

Implantable Optoelectronics for Neural Interfaces.
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500 $a Advisor: Shepard, Kenneth L.
502 $a Thesis (Ph.D.)--Columbia University, 2023.
504 $a Includes bibliographical references
520 $a In neuroscience, optical techniques have become the leading method over electrophysiological techniques because of their ability to target defined populations upon tagging both for in vivo recordings using genetically encoded calcium or voltage indicators and stimulation using optogenetic opsins at the single neuronal level. Additionally, optical imaging has a smaller tissue displacement factor, the ratio of displaced neuronal tissue to field of view (FoV), thus accelerating the ability to simultaneously record from a larger volumes of neurons whereas electrophysiology arrays are limited in the total number of recordable neurons by the amount of sustained tissue damage. Conventional optical approaches, however, typically rely on microscopy techniques which require the subject to be head-fixed thus limiting the applicability especially at the chronic setting, raising the need for fully implantable optical interfaces. As a result, multiple lens-based miniature microscopes have been developed in academia and industry. Nevertheless, a truly implantable optical neurotechnology has remained intractable because traditional miniaturized fluorescence microscopes require an opening in the dura and skull that matches or exceeds the FoV and chronically extends outside the skull, resulting in a poor overall displacement factor. To overcome these limitations, I developed and characterized various implantable optoelectronic platforms designed to optically record from large neuronal FoVs in a minimally invasive implantable form factor. These works culminated in the SCOPe (Subdural CMOS Optical Probe) platform which was validated in multiple in vivo demonstrations involving mouse and nonhuman primate.
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538 $a Mode of access: World Wide Web
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653 $a Integrated circuit design
653 $a Co-packaged optics
653 $a Fluorescence imaging
653 $a In-vivo experiment
653 $a Optogenetic stimulation
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