Profile: Synapsys Inc deals with diagnostic of balance disorders. Our products are used in posturography, vestibulometry and anesthesia. Our Synapsys posturography system analyzes three sensory inputs of balance such as vision, proprioception and vestibular system with sensory organization test and evaluates complete & objective postural diagnoses for comparison with normative data. The VAG monitoring system of analgesia measures the level of pain during surgical operations in order to evaluate the appropriate dose & the analgesic situation of the patient. The head-impulse test is sensitive and specific for detecting severe unilateral peripheral vestibulopathy, is a part of the neurological examination, especially in patients with vertigo and balance disorders. Our rotary chair MED4 is an electronic rotary chair for complete kinetic testing. Video Algesigraph is used for monitoring analgesia that measures the level of pain during surgical operations in order to evaluate appropriate dose and analgesic situation of the patient.