Related Experiment Video
Updated: Apr 7, 2026
05:14
Standardized Data Acquisition for Neuromelanin-Sensitive Magnetic Resonance Imaging of the Substantia Nigra
Published on: September 8, 2021
4.9K
No evidence for mirror system dysfunction in schizophrenia from a multimodal TMS/EEG study
Sophie C Andrews1, Peter G Enticott2, Kate E Hoy3
1School of Psychological Sciences, Monash University, Clayton, Victoria, Australia; Monash Alfred Psychiatry Research Centre, The Alfred and Central Clinical School Monash University, Melbourne, Victoria, Australia.
Psychiatry Research
|July 9, 2015
Summary
Schizophrenia patients show social cognition deficits, but their mirror neuron system appears intact. This suggests alternative brain mechanisms, not mirror system dysfunction, underlie these social difficulties in schizophrenia.
Area of Science:
- Neuroscience
- Psychiatry
- Cognitive Science
Background:
- Dysfunctional mirror neuron systems are hypothesized to cause social cognitive deficits in schizophrenia.
- Previous studies using TMS and EEG yielded mixed results regarding mirror system function in schizophrenia.
Purpose of the Study:
- To investigate mirror systems and social cognition in schizophrenia using a novel multimodal TMS-EEG approach.
- To determine if mirror system functioning is intact in schizophrenia patients despite social cognitive deficits.
Main Methods:
- Concurrent Transcranial Magnetic Stimulation (TMS) and Electroencephalography (EEG) were used.
- TMS targeted M1 during hand movement observation to assess motor resonance.
- EEG recorded mu suppression, and participants completed social cognition tasks (facial affect recognition, theory of mind).
Main Results:
- Schizophrenia group exhibited significant deficits in facial affect recognition and theory of mind.
- A positive correlation between mu suppression and motor resonance confirmed measure validity.
- No significant group differences were found in mu suppression or motor resonance levels.
Conclusions:
- Mirror system functioning appears intact in stable outpatients with schizophrenia.
- Social cognitive difficulties in schizophrenia may stem from alternative pathophysiological mechanisms.
- Findings challenge the direct link between mirror neuron system dysfunction and social deficits in this population.
Related Concept Videos
01:30Positive Symptoms of Schizophrenia: Hallucinations and Delusions
1.1K
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...
Thought Disorders
Disorganized and unusual thought processes mark thought disorders in schizophrenia. One key feature is disorganized speech, where an individual's conversation includes...
1.1K
01:27Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders
2.5K
Schizophrenia is a neurodevelopmental disorder whose origins are rooted in complex genetic components. Despite our burgeoning understanding, the pathophysiology of this disorder remains incompletely deciphered.
Researchers have identified genetic factors that increase susceptibility to schizophrenia, underscoring the intricate interplay between genetics and environment in disease development. At the core of schizophrenia's pathophysiology is excessive dopaminergic neurotransmission within...
Researchers have identified genetic factors that increase susceptibility to schizophrenia, underscoring the intricate interplay between genetics and environment in disease development. At the core of schizophrenia's pathophysiology is excessive dopaminergic neurotransmission within...
2.5K
01:29Psychological and Sociocultural Causes of Schizophrenia
874
Schizophrenia, a complex psychiatric disorder, has been historically misunderstood. Early psychological theories attributed its origins to childhood trauma and unresponsive parenting. However, contemporary research largely rejects these notions, favoring the vulnerability-stress hypothesis. This model proposes that individuals with a genetic predisposition to schizophrenia may develop the disorder following exposure to significant environmental stressors. Notably, studies on high-risk...
874
01:30Negative and Cognitive Symptoms of Schizophrenia
1.0K
Negative symptoms of schizophrenia indicate a reduction or absence of typical behaviors and emotional responses found in healthy individuals, while positive symptoms reflect an excess or distortion of normal functioning.
Negative Symptoms
Negative symptoms of schizophrenia manifest as deficits in normal emotional and behavioral functioning, profoundly impacting daily life. Individuals with schizophrenia often display a flat affect, characterized by a near-total absence of emotional expression,...
Negative Symptoms
Negative symptoms of schizophrenia manifest as deficits in normal emotional and behavioral functioning, profoundly impacting daily life. Individuals with schizophrenia often display a flat affect, characterized by a near-total absence of emotional expression,...
1.0K
01:17Schizophrenia
1.7K
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...
1.7K
01:29Biological Causes of Schizophrenia
1.1K
Schizophrenia, a severe psychiatric disorder, arises from a complex interplay of biological factors, including genetic predisposition, structural brain abnormalities, neurotransmitter dysregulation, and developmental irregularities. These factors collectively contribute to the onset and progression of the disorder, which typically manifests in late adolescence or early adulthood.
Genetic Factors in Schizophrenia
The genetic basis of schizophrenia is strongly supported by family and twin...
Genetic Factors in Schizophrenia
The genetic basis of schizophrenia is strongly supported by family and twin...
1.1K