It can impair your attention and memory, as well as your information processing and decision-making skills. It can also lower your cognitive flexibility (the ability to adapt your goals and strategies to changing situations) and executive functioning (the ability to take all the steps to get something done).

Can depression cause a lack of focus?

Loss of concentration is a symptom of depression. It can also become part of a negative feedback cycle in which losing focus makes depression worse.

Why is my attention span getting shorter?

Sometimes a short attention span is a temporary response to extra stress or stimulation in your life. But if it lasts, it may be a sign of an attention disorder or mental health condition. Depending on how short attention span shows up, it may be a sign of one or more of these conditions: ADHD.