An implantable medical device comprising: one or more electrodes; a flexible connection component that includes a surface comprised of a set of filaments (125; 205, 210), wherein: each of the set of filaments includes a set of vias extending across a length of the filament; the set of filaments are positioned such that, for each of the set of filaments, a via of the filament engages a via of at least one other filament of the set of filaments in a manner that restricts movement of the filaments relative to each other; the set of filaments includes multiple non-conductive filaments ; the surface includes a set of conductive elements; and a set of electrical channels extend across the flexible connection component, each of the set of electrical channels extending across at least one of the set of conductive elements and electrically connected with an electrode of the one or more electrodes; circuitry configured to process recorded data transmitted over one or more of the set of electrical channels and/or to output control signals that identify stimulation parameters to be communicated over at least one of the set of electrical channels; and one or more electrical interfaces, wherein each electrical interface of the one or more electrical interfaces is configured to connect an end of an electrical channel of the set of electrical channels with the circuitry. one or more electrodes; a flexible connection component that includes a surface comprised of a set of filaments (125; 205, 210), wherein: each of the set of filaments includes a set of vias extending across a length of the filament; the set of filaments are positioned such that, for each of the set of filaments, a via of the filament engages a via of at least one other filament of the set of filaments in a manner that restricts movement of the filaments relative to each other; the set of filaments includes multiple non-conductive filaments ; the surface includes a set of conductive elements; and a set of electrical channels extend across the flexible connection component, each of the set of electrical channels extending across at least one of the set of conductive elements and electrically connected with an electrode of the one or more electrodes; each of the set of filaments includes a set of vias extending across a length of the filament; the set of filaments are positioned such that, for each of the set of filaments, a via of the filament engages a via of at least one other filament of the set of filaments in a manner that restricts movement of the filaments relative to each other; the set of filaments includes multiple non-conductive filaments ; the surface includes a set of conductive elements; and a set of electrical channels extend across the flexible connection component, each of the set of electrical channels extending across at least one of the set of conductive elements and electrically connected with an electrode of the one or more electrodes; circuitry configured to process recorded data transmitted over one or more of the set of electrical channels and/or to output control signals that identify stimulation parameters to be communicated over at least one of the set of electrical channels; and one or more electrical interfaces, wherein each electrical interface of the one or more electrical interfaces is configured to connect an end of an electrical channel of the set of electrical channels with the circuitry. <EOS>