1. A method for influencing a hypothalamus of an individual to alleviate an anxiety level of the individual, the method comprising: applying an electrical stimulation to at least a portion of the vestibular system of an individual via one or more removable superficial electrodes, wherein the stimulation is applied to elicit a desired response from the hypothalamus that reduces the anxiety level of the individual; receiving a subjective input indicating a perceived response of the hypothalamus to the stimulation in affecting the anxiety level of the individual; and controlling the stimulation based on the received subjective input.