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Related Concept Videos

Human Genetics01:28

Human Genetics

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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...
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Polygenic Traits01:18

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When more than one gene is responsible for a given phenotype, the trait is considered polygenic. Human height is a polygenic trait. Studies have uncovered hundreds of loci that influence height, and there are believed to be many more. Due to the high number of genes involved, as well as environmental and nutritional factors, height varies significantly within a given population. The distribution of height forms a bell-shaped curve, with relatively few individuals in the population at the...
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Genome-wide Association Studies-GWAS01:11

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Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
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Behavioral Genetics and Its Designs01:23

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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.
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Psychological and Sociocultural Causes of Schizophrenia01:29

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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...
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Genetic Screens02:46

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Genetic screens are tools used to identify genes and mutations responsible for phenotypes of interest. Genetic screens help identify individuals or a group of people at risk of developing  genetic diseases and help them with early intervention, targeted therapy, and reproductive options.
Forward genetic screens
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Applications of Polygenic Risk Scores in Psychiatric Genetics.

Qiao Mao1, Zhimin Lan2, Ping Liu1

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EC Psychology and Psychiatry
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Summary
This summary is machine-generated.

Polygenic risk scores (PRS) offer valuable insights into psychiatric disorders

Keywords:
Polygenic risk scorepleiotropypsychiatric geneticsrisk assessmentshared etiology

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Area of Science:

  • Psychiatric genetics
  • Genomics
  • Complex disease research

Background:

  • Polygenic risk scores (PRS) are increasingly utilized in psychiatric genetics.
  • Understanding the genetic basis of complex psychiatric disorders remains a significant challenge.

Purpose of the Study:

  • This review highlights the applications of PRS in psychiatric genetics.
  • It aims to elucidate PRS methodology, challenges, and future directions.

Main Methods:

  • The review synthesizes current literature on PRS in psychiatric research.
  • It covers PRS calculation, application in risk identification, heritability estimation, and treatment personalization.

Main Results:

  • PRS have yielded significant insights into the genetic architecture of psychiatric disorders.
  • Current PRS models explain only a fraction of the heritability for these conditions.

Conclusions:

  • Despite limitations in explaining full heritability, PRS are a valuable tool in psychiatric genetics.
  • Further research is needed to refine PRS for clinical utility and comprehensive understanding.