Those symptoms might include: Fatigue or loss of energy almost every day Feelings of worthlessness or guilt almost every day Impaired concentration, indecisiveness Insomnia
[webmd.com]
[…] categories: omissions, perseverations, rotations, misplacements, distortions, substitutions and additions.[32] Memory, concentration, initiation, energy, mental clarity and indecision
[en.wikipedia.org]