Fig. 6: Examples of fiber-based multifunctional neural interfaces.
a A thermally drawn fiber-based multifunctional neural interface and its optical image. Reproduced with permission from ref. 91. Copyright 2015, Nature Publishing Group. b Fiber-based multifunctional neural interfaces for one-step optogenetics and chronic neural activity recording. Reproduced with permission from ref. 92. Copyright 2017, Nature Publishing Group. c A spatially expandable fiber-based multifunctional neural interface for simultaneous neural activity recording and modulation across distant brain regions. Reproduced with permission from ref. 93. Copyright 2020, Nature Publishing Group. d A hydrogel matrix-held fiber-based multifunctional neural interface for chronic neural activity recording and modulation. Reproduced with permission from ref. 94. Copyright 2021, Nature Publishing Group
