Cognitive Signs
-Memory problems
-Concentration problems
-Attention problems
-Negative view of self, world, and future
-Difficulty making decisions
-Feels loss of control
-​​​​​​​Suicidal thoughts
​​​​​​​

Physiological Signs
-Psychomotor agitation or retardation
-Somatic complaints
-Poor appetite or overeating
-Insomnia or hypersomnia
​​​​​​​-Low energy or fatigue

Behavioral Signs
-Sad mood
-Social withdrawal
​​​​​​​-Does not participate in usual activities
-Shows limited effort or motivation
-Decline in self-care or personal appearance
​​​​​​​ -Decreased work or school performance 
-Appears detached from others
-Crying for no apparent reason
-Inappropriate responses to events
-Irritability
-Apathy
-Uncooperative
-Suicidal thoughts/ideation
​​​​​​​-Suicide attempts