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Related Concept Videos

Psychological and Sociocultural Causes of Schizophrenia01:29

Psychological and Sociocultural Causes of Schizophrenia

83
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...
83
Biological Causes of Schizophrenia01:29

Biological Causes of Schizophrenia

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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...
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Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders01:27

Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders

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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...
580
Depressive Disorders: Etiology01:27

Depressive Disorders: Etiology

68
Depressive disorders result from a complex interplay of biological, psychological, and sociocultural factors, each contributing uniquely to the development and persistence of the condition. Understanding these factors provides critical insight into the multifaceted nature of depression.
Biological Factors in Depression
Biological predispositions significantly influence the risk of developing depressive disorders. Genetic studies highlight the role of variations in the serotonin transporter...
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Theoretical Approaches to Psychological Disorder01:29

Theoretical Approaches to Psychological Disorder

221
The development of psychological disorders, which are characterized by deviant, maladaptive, and personally distressing behaviors, has been explored through several theoretical approaches.
Biological approach
The biological approach posits that internal, organic factors are the primary causes of such disorders. This perspective emphasizes brain structure and function, genetic predispositions, and neurotransmitter imbalances. For example, schizophrenia has been associated with both genetic...
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Dissociative Identity Disorder01:30

Dissociative Identity Disorder

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Dissociative Identity Disorder (DID), previously termed multiple personality disorder, is a complex psychological condition characterized by the presence of two or more distinct identities or personality states. Each identity exhibits unique patterns of behavior, voice, and mannerisms and may possess separate memories and emotional responses. The alternating control between identities can result in memory gaps and challenges in recalling daily activities, often exacerbating the individual's...
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Related Experiment Video

Updated: Jun 26, 2025

Handwriting Analysis Indicates Spontaneous Dyskinesias in Neuroleptic Naïve Adolescents at High Risk for Psychosis
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Decoding Early Psychoses: Unraveling Stable Microstructural Features Associated with Psychopathology Across

Haley R Wang, Zhen-Qi Liu, Hajer Nakua

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    Summary

    This study found a consistent link between white matter changes and specific negative and somatic symptoms in early psychosis (EP). This neurobiological signature is stable across different diagnoses and datasets, aiding early intervention development.

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    Area of Science:

    • Neuroimaging
    • Psychiatry
    • Data Science

    Background:

    • Early psychosis (EP) patients exhibit significant outcome variability, hindering prediction and early intervention.
    • Limited evidence exists for stable links between neural microstructure and symptom profiles in EP.
    • Transdiagnostic approaches are needed to identify generalizable neurobiological markers in EP.

    Conclusions:

    • A stable and replicable neurobiological signature of white matter alterations was identified in early psychosis (EP) across diagnoses and datasets.
    • This signature strongly covaries with a specific profile of negative and somatic symptoms.
    • Data-driven, transdiagnostic approaches are valuable for revealing symptom domains with shared neurobiological underpinnings in EP, suggesting clinical utility for early interventions.