Which of the following correlation coefficients indicates the strongest association between two variables?

After Rajat had a stroke, he could not recall simple words. After a few months, he was speaking almost normally. What attribute of the brain accounts for his recovery?

a. Corpus callosum b. Visual-spatial sense c. Plasticity d. Hippocampus

Hormones have effects similar to natural opiates

Indicate whether this statement is true or false.