The phrase "extremely stressed" as a response to the survey suggests that the students are finding it hard to cope up with the given assignments. This may be due to time constraints, etc. This could be improved by lessening the work load or diversion of attention to other stuffs.
<span>Karl Lashley failed to find evidence for the specific location of the engram's because the maze running behavior that he was studying has a complex set of related memories that are in existence in another parts of the brain.</span>