carol sat in her office with her head in her hands.the dizziness was unrelenting and the simplest task had to be relearned.carol had been attempting to place papers in a file in the correct order when she realized that she couldnt remember the correct order.this was a simple task.she only needed to match the type of documentation to the corresponding section , yet she felt completely confused and unable to discern one page from another.the inability to recall simple information was beginning to scare her.her mind no longer functioned efficiently.it wasnt her exhaustion ; it was a substantial decrease in her cognitive ability .