While at work, you learn something necessary to do your job either through training or job experience and then forget it.
There are many people who suffer from this malady. It is costing Americans jobs which are being sent to other countries. This can be characterized by being expected to remember a lot of information, but only able to remember so much. The information that you lost is caused by jobnesia.
Suzy was trained on the procedures to support her customers. One month later, she is not following those procedures due to jobnesia.