Genetic influences on five measures of processing speed and their covariation with general cognitive ability in the elderly: the older Australian twins study.

@article{Lee2012GeneticIO,
  title={Genetic influences on five measures of processing speed and their covariation with general cognitive ability in the elderly: the older Australian twins study.},
  author={Teresa Y. H. Lee and Miriam A Mosing and Julie D. Henry and Julian N. Trollor and Andrea Lamm{\'e}l and David Ames and Nicholas G. Martin and Margaret J. Wright and Perminder S. Sachdev},
  journal={Behavior genetics},
  year={2012},
  volume={42 1},
  pages={
          96-106
        }
}
Processing speed (PS) is one of the basic elements of cognitive functions and has been regarded as a "common mechanism" which mediates general cognitive decline in aging. The present study of Australian twins (117 monozygotic pairs, 98 dizygotic pairs, and 42 single twins aged 65 years and over), estimated the genetic influences in five measures of PS: Digit Symbol Coding (DS), Trail Making Test A (TMTA), Stroop color naming and word reading (Stroop), Simple Reaction Time (SRT) and Complex… CONTINUE READING
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