Device for detecting and evaluating tremor and bradykinesis in the hand or arm area of a patient, which, in use, is held in only one hand of the patient and comprises: a housing extending in a longitudinal direction (x), the housing being substantially tubular and having a front section extending in the longitudinal direction (x), a middle section extending in the longitudinal direction (x), and a back section extending in the longitudinal direction (x); wherein the housing has in the front section at least one first support point for the third phalanx (Phalanx distalis) of at least one finger of the patient's hand and, in the back section at least a second support point in the space between the thumb and the index finger of the patient's hand; an acceleration sensor for acquiring measurement data about at least the tremor, which is arranged in the housing; an evaluation device for autonomous evaluation of the measurement data and providing evaluation data, which is arranged in the housing; a memory device for storing the measurement data or the evaluation data, which is arranged in the housing; a display means for displaying the evaluation data, which is arranged on the housing; activating means for activating at least the acceleration sensor, the evaluation device, the memory device or the display means, which is arranged on the housing, and a battery for powering at least the acceleration sensor, the evaluation device, the memory device, the display means, or the activation means with electrical energy; and further a signal unit, which is suitable for transmitting at least an acoustically or haptically perceptible signal; a reference point for the third phalanx of at least one finger of the patient's hand, arranged on the housing, which is formed as a typing depression and forms a haptically perceptible feature for the patient; and a rotation rate sensor that can be activated by the activating means and which is arranged in the front section of the housing; wherein the acceleration sensor is disposed in the front section of the housing in close proximity to the rotation rate sensor. a housing extending in a longitudinal direction (x), the housing being substantially tubular and having a front section extending in the longitudinal direction (x), a middle section extending in the longitudinal direction (x), and a back section extending in the longitudinal direction (x); wherein the housing has in the front section at least one first support point for the third phalanx (Phalanx distalis) of at least one finger of the patient's hand and, in the back section at least a second support point in the space between the thumb and the index finger of the patient's hand; an acceleration sensor for acquiring measurement data about at least the tremor, which is arranged in the housing; an evaluation device for autonomous evaluation of the measurement data and providing evaluation data, which is arranged in the housing; a memory device for storing the measurement data or the evaluation data, which is arranged in the housing; a display means for displaying the evaluation data, which is arranged on the housing; activating means for activating at least the acceleration sensor, the evaluation device, the memory device or the display means, which is arranged on the housing, and a battery for powering at least the acceleration sensor, the evaluation device, the memory device, the display means, or the activation means with electrical energy; and further a signal unit, which is suitable for transmitting at least an acoustically or haptically perceptible signal; a reference point for the third phalanx of at least one finger of the patient's hand, arranged on the housing, which is formed as a typing depression and forms a haptically perceptible feature for the patient; and a rotation rate sensor that can be activated by the activating means and which is arranged in the front section of the housing; wherein the acceleration sensor is disposed in the front section of the housing in close proximity to the rotation rate sensor.