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Related Concept Videos

Human Genetics01:28

Human Genetics

Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
The complex relationship between genetics and psychology is observable through common biological components such...
Behavioral Genetics and Its Designs01:23

Behavioral Genetics and Its Designs

Behavior genetics explores how genetic inheritance influences human behavior. It focuses on how genes, passed from parents to offspring, contribute to the development of behavioral traits and tendencies. This branch of genetics seeks to understand the complex interplay between inherited genetic factors and environmental influences in shaping our behaviors.
The primary methodologies used in behavior genetics include family studies, twin studies, and adoption studies, each providing unique...
Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders01:27

Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders

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 the...
Diagnostic and Statistical Manual of Mental Disorders (DSM)01:27

Diagnostic and Statistical Manual of Mental Disorders (DSM)

The Diagnostic and Statistical Manual of Mental Disorders (DSM) serves as the primary classification system for mental health disorders, providing standardized diagnostic criteria for clinicians and researchers. First published by the American Psychiatric Association (APA) in 1952, the DSM has undergone several revisions to reflect evolving psychiatric understanding. The fifth edition, DSM-5, released in 2013, introduced key updates that expanded diagnostic categories and modified diagnostic...
Psychosurgery01:30

Psychosurgery

Psychosurgery, the surgical alteration or permanent removal of brain tissue to alleviate severe psychological conditions, stands as one of the most radical and controversial treatments in the history of mental health care. Its development and application have evolved significantly, marked by dramatic shifts in scientific understanding and ethical perspectives.
Historical Development of Psychosurgery
In the 1930s, Portuguese neurologist Antonio Egas Moniz introduced a surgical procedure designed...
Biological Causes of Schizophrenia01:29

Biological Causes of Schizophrenia

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 studies.

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Updated: Jul 4, 2026

A Pipeline using Bilateral In Utero Electroporation to Interrogate Genetic Influences on Rodent Behavior
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A Pipeline using Bilateral In Utero Electroporation to Interrogate Genetic Influences on Rodent Behavior

Published on: May 21, 2020

Psychiatric genetics: progress amid controversy.

Margit Burmeister1, Melvin G McInnis, Sebastian Zöllner

  • 1Molecular and Behavioral Neuroscience Institute, University of Michigan, 5061 BSRB, 109 Zina Pitcher Place, Ann Arbor, Michigan 48109-2200, USA. margit@umich.edu

Nature Reviews. Genetics
|June 19, 2008
PubMed
Summary
This summary is machine-generated.

Identifying the genetic basis of psychiatric disorders like bipolar disorder and schizophrenia remains difficult. Research is advancing by integrating genetic data with environmental factors and studying rare variants.

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Mapping Alzheimer's Disease Variants to Their Target Genes Using Computational Analysis of Chromatin Configuration
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Published on: May 21, 2020

Mapping Alzheimer's Disease Variants to Their Target Genes Using Computational Analysis of Chromatin Configuration
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Mapping Alzheimer's Disease Variants to Their Target Genes Using Computational Analysis of Chromatin Configuration

Published on: January 9, 2020

Area of Science:

  • Genetics and Psychiatry
  • Neuroscience
  • Medical Genetics

Background:

  • Many psychiatric disorders, including bipolar disorder, schizophrenia, and autism, exhibit high heritability.
  • Identifying specific genetic underpinnings for these conditions has proven challenging, with frequent replication failures of initial discoveries.
  • Previous genetic studies have often overlooked the complex interplay between genetic predisposition and environmental influences.

Purpose of the Study:

  • To review the challenges and recent advancements in understanding the genetic architecture of psychiatric disorders.
  • To highlight the importance of incorporating intermediate phenotypes (endophenotypes) and environmental factors into genetic analyses.
  • To emphasize the need for larger sample sizes and novel approaches in psychiatric genetics research.

Main Methods:

  • Review of current genetic analysis strategies for psychiatric disorders.
  • Incorporation of intermediate traits (endophenotypes) and environmental factors.
  • Focus on identifying rare inherited variants and novel structural mutations.
  • Strategies for increasing sample sizes through case-control studies and meta-analyses.

Main Results:

  • Progress has been made by integrating endophenotypes and environmental factors into genetic analyses.
  • Identification of rare variants and structural mutations offers new insights into heritability.
  • Current research trends focus on expanding sample sizes for enhanced statistical power.

Conclusions:

  • Future research should prioritize larger sample sizes and meta-analyses for robust findings.
  • Increased attention to unique family structures, rare genetic variants, and environmental interactions is crucial.
  • Integrating biological function and pathway knowledge will advance the genetic understanding of psychiatric disorders.