REAGENT or RESOURCE	SOURCE	IDENTIFIER
Antibodies
Rabbit anti-calbindin D-28k	Swant	Swant CB-38; RRID:AB_10000340
Mouse anti-calbindin D-28k	Swant	Swant 300; RRID:AB_10000347
Mouse anti-NeuN	Millipore	Cat# MAB377; RRID:AB_2298772
Rabbit anti-Wfs1	Proteintech	Cat# 11558-1-AP; RRID:AB_2216046
Mouse Anti-α-Actinin2	Sigma	Cat#: A-7811; RRID: AB_476766
Rabbit anti-PCP4	Sigma	Cat#: HPA5792; RRID: AB_1855086
Mouse anti-Sox5	In house (Figures S2C and S2D)	N/A
Goat anti-rabbit Alexa Fluor633 IgG	Invitrogen	Cat# A21070; RRID:AB_2535731
Goat anti-mouse Rhodamine Red IgG	Jackson Immunoresearch	Cat# 115-295-003; RRID:AB_2338756
Alexa Fluor488-conjugated streptavidin	Jackson Immunoresearch	Cat# 016-540-084; RRID:AB_2337249
Bacterial and Virus Strains
AAV5-CaMKIIa-hChR2(H134)-EYFP	University of North Caroline (UNC Vector Core)	N/A
Chemicals, Peptides, and Recombinant Proteins
Bisbenzimide H33258	Sigma-Aldrich	Cat# B2883; CAS: 23491-45-4
Neurobiotin tracer	Vector Labs	Cat# SP-1120
Experimental Models: Organisms/Strains
Rat: Wistar	Instituto Cajal Animal facility	N/A
Rat: VGAT-VenusA	National Bioresource Project Japan. University of Kyoto	Cat#: 0554
Mouse: C57BL/6	Instituto Cajal Animal facility	N/A
Software and Algorithms
MATLAB 2016b	Mathworks	https://www.mathworks.com
Ethovision v1.90	Noldus	http://www.noldus.com/animal-behavior-research/
ImageJ	NIH Image	https://imagej.net/ImageJ
Recording software	Molecular devices	ClampFit
MiniAnalysis Software v5	Synaptosoft	http://www.synaptosoft.com/MiniAnalysis/
NeuroExplorer v4.135	Nex Technologies	http://www.neuroexplorer.com/
Other
Silicon probes: 16-channel linear; 100 μm inter-spacing; 413 μm2 electrode area	Neuronexus	A1x16-5mm-100-413
Silicon probes: 32-channel 2x16 linear; 100 μm inter-spacing; 413 μm2 electrode area; 200 μm inter-shank	Neuronexus	A2x16-10mm-200-413
Silicon probes: Prida 16ch-comb; 413 μm2 electrode area; 100 μm inter-shank	Neuronexus	A16x1-5mm-100-413
Tapered optic fibers	Optogenix	Lambda-B