Related Experiment Video
Updated: Oct 27, 2025
09:13
Testing Sensory and Multisensory Function in Children with Autism Spectrum Disorder
Published on: April 22, 2015
16.7K
Auditory processing in schizophrenia: Behavioural evidence of abnormal spatial awareness
Sara Sardari1, AliMohammad Pourrahimi1, Mazyar Fathi1
1Kerman Neuroscience Research center, Kerman University of Medical Sciences, Kerman, Iran.
Laterality
|July 23, 2021
Summary
Schizophrenia (SCZ) patients exhibit auditory spatial processing deficits, showing a left ear priority instead of the typical right ear advantage. This suggests potential auditory neglect and extinction in individuals with SCZ.
Area of Science:
- Neuroscience
- Psychiatry
- Auditory Perception
Background:
- Spatial processing deficits are a common issue for individuals with schizophrenia (SCZ), impacting daily life.
- Previous research has focused on visual spatial deficits, but auditory spatial processing in SCZ is less understood.
Purpose of the Study:
- To investigate auditory hemifield bias, specifically hemispatial neglect and extinction, in the auditory modality of SCZ patients.
- To compare auditory spatial function between SCZ patients and healthy controls.
Main Methods:
- Twenty-five SCZ patients and 25 healthy controls participated.
- Speech tasks involved reproducing nonsense syllables presented from one or two speakers (right/left).
- An auditory localization task assessed the discrimination of noise stimuli presented from five speakers.
Main Results:
- SCZ patients showed significantly lower hit rates for the right ear compared to controls (p=0.01).
- Healthy controls exhibited a right ear advantage, while SCZ patients demonstrated a left ear priority.
- Both groups had a left-side bias in localization, but this was significantly more pronounced in SCZ patients (all p < 0.05).
Conclusions:
- Schizophrenia can alter auditory spatial function, potentially leading to auditory neglect and extinction.
- Findings suggest a right-sided auditory neglect and extinction may occur in SCZ, influenced by patient characteristics.
Related Concept Videos
01:30Positive Symptoms of Schizophrenia: Hallucinations and Delusions
248
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...
248
01:26Positive Symptoms Schizophrenia: Hallucinations and Delusions
181
Schizophrenia is a complex psychiatric disorder characterized by a range of symptoms that significantly impact cognition, behavior, and emotional regulation. Among these, the positive symptoms stand out as they involve the addition or exaggeration of normal mental functions, deviating markedly from typical behavior and perception. Hallucinations and delusions are prominent positive symptoms, each profoundly affecting the individual's experience of reality.
Hallucinations
Hallucinations in...
Hallucinations
Hallucinations in...
181
01:17Auditory Perception
697
The auditory system is essential for sound perception, utilizing various critical structures. When sound waves enter the outer ear, they travel through the ear canal and cause the eardrum to vibrate. These vibrations are then transmitted to the middle ear, where three tiny bones – the malleus, incus, and stapes – amplify the sound. This amplification is crucial, as it ensures that the sound vibrations are strong enough to be conveyed to the inner ear. These vibrations then reach the...
697
01:15Subconsciousness and No Awareness
440
The concept of subconscious awareness refers to the processing of information below the level of conscious thought, which significantly influences both behaviors and decisions. It is also known as waking subconscious awareness. This complex level of cognition operates without the direct awareness of the individual, facilitating rapid and simultaneous handling of multiple information streams.
An illustrative example of subconscious processing is its role in problem-solving. Often, individuals...
An illustrative example of subconscious processing is its role in problem-solving. Often, individuals...
440
01:17Schizophrenia
363
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...
363
01:30Negative and Cognitive Symptoms of Schizophrenia
164
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,...
164