Related Experiment Video
Updated: Jun 13, 2026

11:00
Targeted Training of Ultrasonic Vocalizations in Aged and Parkinsonian Rats
Published on: August 8, 2011
A 42-year-old man with "pseudo-coprolalia"
1Department of Diagnostic and Interventional Radiology, Imaging Services, Royal Perth Hospital, Perth, Australia. albert.h.chiu@gmail.com
Summary
A left thalamus infarct caused a 42-year-old man to exhibit unusual coarse language, word-finding difficulties, and slow thinking. This case highlights the anterior thalamus's role in cognitive and behavioral functions.
Area of Science:
- Neuroscience
- Neurology
- Cognitive Science
Background:
- The anterior thalamus plays a crucial role in cognitive functions, including executive control, memory, and emotion regulation.
- Lesions in the thalamus can lead to a variety of neurological and psychiatric symptoms, depending on the specific location and extent of the damage.
Observation:
- A 42-year-old man presented with a one-week history of uncharacteristic coarse language, anomia (word-finding difficulty), and slowed thought processes.
- Neuroimaging revealed a solitary infarct specifically involving the anterior left thalamus.
Findings:
- The clinical presentation, including behavioral changes and cognitive deficits, correlated with the location of the ischemic lesion in the anterior thalamus.
- This case supports the involvement of the anterior thalamus in regulating complex behaviors and cognitive processes, such as language production and executive function.
Implications:
- Anterior thalamic infarcts, though uncommon, can manifest with distinct behavioral and cognitive symptoms.
- Understanding these specific lesion-symptom correlations is vital for accurate diagnosis and targeted therapeutic interventions in cerebrovascular disorders.
Related Concept Videos
Prosopagnosia
Prosopagnosia, also known as face blindness, is the inability to recognize faces. In severe cases, individuals with prosopagnosia may not recognize close family members, including parents and spouses, by their faces. For instance, someone with prosopagnosia might walk past their child in a crowd, only realizing their mistake upon noticing their child's distinctive backpack or favorite jacket. Prosopagnosia specifically impairs facial recognition, while the recognition of other objects or...
Schizophrenia
Schizophrenia, a term introduced by Swiss psychiatrist Eugen Bleuler in 1911, describes a severe psychological disorder marked by profound disruptions in attention, thought processes, language, emotion, and interpersonal relationships. The core feature of schizophrenia is psychosis — a state characterized by a fundamental detachment from reality. This disconnection manifests through distorted logic, impaired perception, and atypical behavior, severely affecting the lives of those diagnosed.
Positive Symptoms of Schizophrenia: Hallucinations and Delusions
Schizophrenia is a complex mental health disorder that can manifest with various positive symptoms, including thought, movement, and behavior disorders. These symptoms significantly disrupt cognitive and motor functions, leading to profound effects on an individual's ability to engage with the world.
Thought Disorders
Disorganized and unusual thought processes mark thought disorders in schizophrenia. One key feature is disorganized speech, where an individual's conversation includes loosely...
Thought Disorders
Disorganized and unusual thought processes mark thought disorders in schizophrenia. One key feature is disorganized speech, where an individual's conversation includes loosely...
Antisocial Personality Disorder
Antisocial personality disorder is a chronic mental health condition characterized by persistent patterns of disregard for the rights and well-being of others. Individuals with antisocial personality disorder exhibit behaviors that include deceitfulness, impulsivity, irresponsibility, aggression, and a profound lack of empathy. These traits often manifest early in life and persist into adulthood, leading to significant personal, social, and legal consequences.
Behavioral Characteristics and...
Behavioral Characteristics and...
Conduct Disorder
Conduct disorder is a complex mental health diagnosis characterized by a repetitive and persistent pattern of behavior that violates societal norms, the rights of others, or age-appropriate rules. The diagnostic criteria for conduct disorder require the presence of at least three problematic behaviors within the past 12 months, with at least one occurring in the past six months. These behaviors are grouped into four categories: aggression toward people and animals; destruction of property;...
Oppositional Defiant Disorder
A persistent pattern of angry or irritable mood, defiant behavior, or vindictiveness characterizes Oppositional Defiant Disorder (ODD). Symptoms must occur over at least six months, involve interactions with individuals beyond siblings, and meet specific diagnostic criteria to be clinically significant. The disorder affects emotional regulation, social interactions, and behavior, often manifesting early in life and influencing long-term development and functioning.
Diagnostic Criteria and...
Diagnostic Criteria and...
