These performance decrements have a significant impact on the organizational bottom-line.
Optimum performance is most likely to occur and moderate levels of arousal.
Since stress levels are rarely too low in today's workplace, I will confine my comments to high levels of stress. However, if you are puzzled as to why low levels of stress lead to low levels of performance, the answer is simple. Consequently, low stress leads to low levels of performance. With regard to high levels of stress, people become easily distracted and often ruminate about the stress that they are experiencing. This, of course, leads to lowered levels of performance.