Eleven of the first 14 American Ph.D.s in psychology were his students. James M. Cattell (1860-1944) was a student in G. Stanley Hall's laboratory course at Johns Hopkins University and went on to study with Wilhelm Wundt in Germany in 1883.
Drug-induced tremor is a simple nervous system and muscle response to certain medications. Drugs that can cause tremor include the following: 1  Cancer medicines such as thalidomide and cytarabine.  Seizure medicines such as valproic acid (Depakote), and sodium valproate (Depakene)
Tremors are usually caused by problems with areas of the brain that control movements. Neurological problems can cause tremors, but they can also be caused by metabolic problems and toxins (such as alcohol) that affect the brain and nervous system. Shaking hands and tremor can also be a side effect of medications. Shaking hands can occur as a solitary manifestation or can be accompanied by tremor or neurological disturbances in other parts of the body. Depending upon the underlying cause, shaking hands can be mild or severe, temporary or chronic. Shaking hands can occur at rest or during directed movements.