Strange Speech or Behaviour
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Reviewed By:
Shohei Harase, MD (Neurology)
Dr. Harase spent his junior and senior high school years in Finland and the U.S. After graduating from the University of Washington (Bachelor of Science, Molecular and Cellular Biology), he worked for Apple Japan Inc. before entering the University of the Ryukyus School of Medicine. He completed his residency at Okinawa Prefectural Chubu Hospital, where he received the Best Resident Award in 2016 and 2017. In 2021, he joined the Department of Cerebrovascular Medicine at the National Cerebral and Cardiovascular Center, specializing in hyperacute stroke.
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Can't pronounce or "sound out words" like I used to
Unable to speak or using incorrect words
Can't recognize objects or people
Started having reading difficulty as an adult
Difficulty in getting the right word
Can understand but hard to speak
Can't hold a conversation
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Content updated on Jan 4, 2023
About the symptom
Aphasia is loss of the ability to understand and express speech. Apraxia is the inability to have purposeful body movements. Agnosia is the inability to recognize people, objects, sounds, shapes, or smells.
When to see a doctor
Seek professional care if you experience any of the following symptoms
Strange speech or behaviour
Possible causes
- Schizophrenia
A psychological disorder where there is altered brain function. The exact cause is unknown, but a combination of genetic, psychological and environmental factors are likely responsible.
- Dissociative disorder
Dissociative disorder is mental disorder that involve experiencing a disconnection and lack of continuity between thoughts, memories, surroundings, actions and identity. People with dissociative disorder escape reality in ways that are involuntary and unhealthy and cause problems with functioning in everyday life.
- Alzheimer dementia (AD)
Alzheimer's disease is the most common cause of dementia. The brain shrinks affecting memory and behavior. Symptoms worsen over time, and can interfere with daily life. Increasing age increases the risk for Alzheimer dementia.
- Mild cognitive impairment (MCI)
- Hyperactivity disorder
- Frontotemporal dementia
Related serious diseases
- Hypoglycemia
Low blood sugar levels. This can fatal as the brain depends on sugar for energy. It is usually caused by diabetes medications, but can also be caused by hormone disorders and insulin overproduction.
- Chronic subdural hematoma
- Cerebral hemorrhage
Questions your doctor may ask about this symptom
Your doctor may ask these questions to check for this symptom
Do people around you feel like you are speaking incoherently or acting irrationally?
Have you currently regained consciousness after temporarily losing consciousness?
Do you have headaches or does your head feel heavy?
Do you have a fever?
Do you feel any weakness in your arms or legs?
Other Related Symptoms
Similar symptoms or complaints
Symptoms from the same body system / part
Symptoms treated by the same specialty
Reviewed By:
Shohei Harase, MD (Neurology)
Dr. Harase spent his junior and senior high school years in Finland and the U.S. After graduating from the University of Washington (Bachelor of Science, Molecular and Cellular Biology), he worked for Apple Japan Inc. before entering the University of the Ryukyus School of Medicine. He completed his residency at Okinawa Prefectural Chubu Hospital, where he received the Best Resident Award in 2016 and 2017. In 2021, he joined the Department of Cerebrovascular Medicine at the National Cerebral and Cardiovascular Center, specializing in hyperacute stroke.
Just 3 minutes.
Developed by doctors.
Ubie is supervised by 50+ medical experts worldwide
Seiji Kanazawa, MD, PHD
Obstetrics and gynecology (OBGYN)
National Center for Child Health and Development, Japan