In these cases, the lesion was usually in the cervical spinal cord, but in one case it was thoracic (Johnson et al., 2000). A proposed mechanism is that pathological features of these entities, such as gliosis and haemosiderin, provoke spontaneous activation of spinal itch neurons.
Other differences between the two include the camera, with the Moto Z Force featuring a 21 MP rear camera, compared to the 13 MP camera of the Moto Z, and of course, the display of the Moto Z Force is also shatterproof.
The Force in the phone's name stands for the fact that it features a ShatterSheld display, which is guaranteed not to shatter no matter how many times you drop the handest. In terms of hardware, the Moto Z Force Droid Edition is a beast, boasting plenty of memory and the fastest chip Qualcomm has in stock.