The device intended for the stimulation of the brain by laser circularly or elliptically polarized light consists of the main unit (1) equipped in the front part with control buttons (3), and a display (2) from which at least one laser diode (16, 17, 18, 19) is supplied. At least one nasal applicator (8, 9, 10, 11) or nasal applicators (38, 39) suitably equipped in the rear part with laser diodes (40, 41) can be connected to the upper part of the main unit (1). The main unit (1) is supplied in its lower part through a connector (33), and the programmable control unit (51) with built-in battery (56) and autonomous processor (57) is an integral part of the device.
