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)
These are the most common causes of shaky hands. Lack of sleep may also contribute to anxiety. If this is not the case, you may want to evaluate any prescription or recreational drugs that you use. I remember trying an MAOI once, and my hands got shaky, I was sweating like mad, and got really anxious.