A clinical tool for assessing the severity and nature of cognitive impairment in people with neurological diseases. It provides a comprehensive assessment in several areas, including memory, attention, speech, executive function, and spatial perception. The scale includes various subtasks that assess the patient’s performance in these cognitive areas, providing a score that reflects the degree of deficit. GNDS is useful in both clinical and research practice for diagnosing neurological diseases, tracking cognitive decline, and planning rehabilitation.