Neuroplasticity - AP PSYCH

An institutional review board (IRB) rejected a proposal for research where participants requesting to lesion Wernicke's Area in otherwise healthy individuals to study the resulting speech comprehension issues. Which of the following is the most likely ethical consideration for rejecting the study?

Protection from Harm

While reviewing scores from a test on contralateral hemispheric lateralization, a teacher discovered that the mean score was higher than the median. Which of the following statements is most likely correct?

The distribution of scores for the test is positively skewed.

Much of the research regarding the function of brain areas has been gathered from case studies of individuals with brain injury or disease. Which of the following identifies a reason for this?

The independent variable in an experiment would inflict brain injury, which is unethical.

A team of investigators discovered that taxi drivers who had memorized all the streets in their city had a larger hippocampus than bus drivers who did not have the streets memorized. This type of difference between these two groups most likely reflects:

brain plasticity

Research on environmental enrichment and the brain suggests that the environment:

influences both brain structure and functioning throughout the life span

The brain's ability to adapt after it is damaged is known as:

plasticity

Dr. Wundt gave his students an exam on the functions of different parts of the brain, and the average score was an 85. However, when Dr. Wundt calculated the standard deviation, it was a value of 35.2. This concerns Dr. Wundt because he knows that standard deviation is a measure of how much:

scores in a group differ from the mean of that group

Researchers examined injury reports for 480 professional football games and determined there was an association between outdoor temperature and number of concussions reported. Which of the following best describes the type of research method used in this study?

Correlational