Brain Structure in Bilingual Humans
LanguageBrains.Rd
Proficiency score (summary of reading, writing, and speech) in subjects' second language and density of gray matter in the left inferior parietal region.
Format
A data frame with 22 observations on the following 2 variables.
- proficiency
a numeric vector
- greymatter
a numeric vector
Source
Mechelli, A., J.T. Crinion, U. Noppeney, J. O'Doherty, J. Ashburner, R.S. Frackowiak, and C.J. Price. 2004. Structural plasticity in the bilingual brain. Nature 431: 757.
Examples
str(LanguageBrains)
#> 'data.frame': 22 obs. of 2 variables:
#> $ proficiency: num 0.26 0.44 0.89 1.26 1.69 1.97 1.98 2.24 2.24 2.58 ...
#> $ greymatter : num -0.07 -0.08 -0.008 -0.009 -0.023 -0.009 -0.036 -0.029 -0.008 -0.023 ...
xyplot(proficiency ~ greymatter, LanguageBrains)