公开(公告)号：US20210085980A1

公开(公告)日：2021-03-25

申请号：US17031733

申请日：2020-09-24

Applicant: IMEC VZW

Inventor： Carolina MORA LOPEZ ,  Marco BALLINI ,  Didac GOMEZ SALINAS

IPC: A61N1/36 ,  A61N1/05

Abstract: An electrode arrangement for stimulating and recording electrical signals in biological matter comprises: an array (110) of electrodes (112), wherein electrodes (112) are configured to be switchable between stimulating and recording of electrical signals; a control unit (120), wherein the control unit (120) is configured to select a plurality of electrodes (112) to form a combined macroelectrode site (114) for providing a stimulating signal, wherein the control unit (120) is further configured to determine a perimeter electrode (112b) and a central electrode (112a), wherein the perimeter electrode (112b) is arranged at a perimeter of the combined macroelectrode site (114) and the central electrode (112a) is arranged centrally within the combined macroelectrode site (114), and wherein the control unit (120) is further configured to provide a stimulation signal to the perimeter electrode (112b) that has a lower magnitude than a stimulation signal provided to the central electrode (112a).