title: Three-dimensional multiwaveguide probe array for light delivery to distributed brain circuits.
abstract: To deliver light to the brain for neuroscientific and neuroengineering applications like optogenetics, in which light is used to activate or silence neurons expressing specific photosensitive proteins, optical fibers are commonly used. However, an optical fiber is limited to delivering light to a single target within the 3D structure of the brain. Here, we describe the design and fabrication of an array of thin microwaveguides, which terminates at a three-dimensionally distributed set of points, appropriate for delivering light to targets distributed in a 3D pattern throughout the brain.
authors.affiliation: Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.
authors.forename: Anthony N
authors.initials: AN
authors.lastname: Zorzos
authors.forename: Jorg
authors.initials: J
authors.lastname: Scholvin
authors.forename: Edward S
authors.initials: ES
authors.lastname: Boyden
authors.forename: Clifton G
authors.initials: CG
authors.lastname: Fonstad
mesh_terms: D001921:Brain; D008027:Light; D009415:Nerve Net; D055096:Optical Devices; D019736:Prostheses and Implants