Confusion (from Latin confusĭo, -ōnis, noun of action from
confundere "to pour together", or "to mingle together" also "to
confuse") is the state of being bewildered or unclear in one’s
mind about something: Medical term  "Acute Mental Confusion" is
used interchangeably with Delirium in International Statistical
Classification of Diseases and Related Health Problems and
Medical Subject Headings to describe a pathological degree in
which it usually refers to loss of orientation (ability to place
oneself correctly in the world by time, location, and/or
personal identity) sometimes accompanied by disordered
consciousness and often memory (ability to correctly recall
previous events or learn new material). Confusion as such is not
synonymous with inability to focus attention, although severe
inability to focus attention can cause, or greatly contribute
to, confusion. Together, confusion and inability to focus
attention (both of which affect judgment) are the twin symptoms
of a loss or lack of normal brain functio