Fig. 3
From: Wireless logging of extracellular neuronal activity in the telencephalon of free-swimming salmonids
Electrode array and waterproof case for neurologger. a An array of tetrodes; each tetrode was inserted into a polyimide tube, and the tubes were glued together to construct an array with constant internal spacing. b Housing for connecting the tetrode array to the custom-made electrode interface board (EIB). c Each tetrode microwire was crimped into a corresponding contact hole using a gold pin. d Cover to attach the EIB to the tetrode array. e Tetrode array assembly. f–g Tetrode array with an undercover to connect to the logger case (f). h–j Base (h), support (i), and lid (j) for the custom-made, 3D-printed, waterproof case. k Lid with rubber seal. l The base was attached to the housing and covered with dental acrylic resin (scale bar = 1 cm)