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).
The common peroneal nerve is a branch of the sciatic nerve, one of the largest nerves in the lower half of the body. It lies between the tendon of the biceps femoris muscle and the lateral head of the gastrocnemius muscle in the calf. It passes around the neck of the fibula (the smaller of the lower leg bones).