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Brain-derived neurotrophic factor genetic polymorphism rs6265 and creativity.

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Area of Science:

  • Neuroscience
  • Genetics
  • Cognitive Psychology

Background:

  • Brain-derived neurotrophic factor (BDNF) is crucial for neural plasticity, learning, and memory.
  • A common polymorphism (rs6265) in the BDNF gene affects BDNF secretion and neurocognitive function.
  • Previous research on BDNF genotype effects on behavior has yielded inconsistent results.

Purpose of the Study:

  • To investigate the association between the BDNF genotype (rs6265) and performance on the Compound Remote Associate (CRA) task, a measure of creativity.
  • To explore potential differences in creative problem-solving abilities between BDNF met-carriers and non-met carriers.

Main Methods:

  • Genotyping for the BDNF rs6265 polymorphism in 76 healthy university students.
  • Assessment of creativity using the Compound Remote Associate (CRA) task.
  • Statistical analysis comparing performance metrics between genotype groups.

Main Results:

  • No significant overall differences in creativity were found between BDNF met-carriers and non-met carriers.
  • A secondary analysis revealed that met-carriers exhibited slower solution times for medium-difficulty CRA items (medium effect size).

Conclusions:

  • The BDNF genotype (rs6265) does not appear to broadly influence general creativity.
  • Non-met carriers may possess an advantage in solving moderately challenging creative problems.
  • Further research is needed to fully elucidate the nuanced advantages and disadvantages associated with different BDNF genotypes.