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).
This nerve may be injured in a number of ways including injury to the outside of the knee where the nerve is very close to the skin. Swelling, inflammation or infection can also injure the peroneal nerve as can repeated pressure on the outside of the knee from for example sitting with legs crossed in tight clothing.ther injuries can result in nerve injury such as a fracture of the fibula or more seriously a dislocated knee. Damage can also occur during surgery. Similar symptoms may be present due to compression of the nerve at a higher level, usually either at the nerve root in the lumbar spine (L4 - S3) or in the buttocks.