The thing that makes the thalamus quite special is that itâs a relatively small, very concentrated area deep inside the brain, and a small change in the location of the stroke can produce a substantial change in how the stroke affects the survivor, Dr. Schmahmann said.
Ibid. (Latin, short for ibidem, meaning the same place) is the term used to provide an endnote or footnote citation or reference for a source that was cited in the preceding endnote or footnote. http://en.wikipedia.org/wiki/Ibid.
The name of the first author is given followed by 'et al.' so that all the other authors' names don't have to be listed. ibid. - An abbreviation for the Latin 'ibidem' which means 'in the same place'. When you see the word 'ibid.' in a reading list it is referring you to material in a source just mentioned.