What does this mean for non-native speakers of English? One could interpret this information as further motivation to work towards improving their American accent to deal with these difficulties. In addition, it might be advisable to try to remain patient with inexperienced listeners and recognize that with time and exposure to accented speech, they will improve in their ability to overcome these limitations on their comprehension.
Penn State. (2017, April 20). Recognizing foreign accents helps brains process accented speech. ScienceDaily. Retrieved April 27, 2017 from www.sciencedaily.com/releases/2017/04/170420141739.htm