Mental fatigue
Mental fatigue is pronounced exhaustion after thinking, conversations, screen use or sensory stimulation. Even minor activities may require disproportionate energy, and recovery can take longer than with ordinary tiredness.
Conditions in which this symptom may occur
Here you can find conditions that may be associated with the symptom. Select a condition to learn more about its symptoms and treatment options.
Acquired brain injury
An acquired brain injury is damage to the brain occurring after birth, for example due to stroke, cerebral haemorrhage, illness, oxygen deprivation or an accident. Its effects depend on the location and extent of injury and may affect physical, cognitive, emotional and social functioning.
Concussion
A concussion is a disturbance of brain function following a blow to the head or a forceful movement of the body. Symptoms may include headaches, dizziness, nausea, fatigue, sensory sensitivity and difficulty concentrating. Most people improve gradually, but assessment is important when warning signs or persistent symptoms occur.
Long-term effects after COVID-19
Long-term effects after COVID-19 include persistent or new symptoms following the acute illness. These may include pronounced fatigue, shortness of breath, difficulty concentrating, headaches or reduced physical capacity, and can affect daily activities, working life and quality of life.
Persistent symptoms after concussion
Persistent symptoms after concussion means that problems such as headaches, dizziness, fatigue or difficulty concentrating continue beyond the expected early recovery period. Symptoms can affect work, studies, physical activity, social life and quality of life, and require individual assessment.
Stress and stress-related reactions
Stress and stress-related reactions include psychological and physical responses that can arise when prolonged or intense demands exceed the resources a person feels able to draw on. Symptoms may include restlessness, sleep problems, fatigue, difficulty concentrating, muscle tension and changes in mood, affecting wellbeing, relationships and everyday functioning.