Luria's research was conducted in two important expeditions to Uzbekistan in 1931-1932. The expedition was designed by Vygotsky and Luria to investigate the principles of sociohistorical psychology by comparing the psychological processes of groups of people who had been differentially affected by the Sovietization of agriculture.
Symptoms of peroneal nerve injury (foot drop). Symptoms of peroneal nerve injury (foot drop) may include: 1  Inability to point toes toward the body (dorsi flexion). 2  Pain. 3  Weakness. 4  Numbness (on the shin or top of the foot). 5  Loss of function of foot. 6  High-stepping walk (called steppage gait or footdrop gait).
1 Peroneal nerve palsy-caused by compression of a nerve in the leg that runs by the neck of the fibular (the calf bone, between the knee and ankle). 2  Radial nerve palsy-caused by draping an arm over the back of a chair for a long time during deep sleep. 3  Bell's palsy 19 is a single-nerve neuropathy that affects the face.