School of Humanities and Sciences

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  • Mareike Grotheer

    Mareike Grotheer

    Postdoctoral Research Fellow, Psychology

    Current Research and Scholarly InterestsPR055E5ING 0F NUM8ERS AND LE77ER5 IN 7HE HUMAN 8RAIN

    The abilities to read and to perform simple calculations are crucial to our daily lives. Hence, during our primary education, we receive intensively training for these skills. During this learning phase we are taught to associate a specific meaning to very basic, artificial stimuli, such as Roman letters and Arabic numbers. Interestingly, recent studies suggest that this early-life training actually reshapes our brain and generates visual areas focused exclusively on the processing of these artificial stimuli. Two such areas, known as the letter form area and the number form area, respectively, have been described. This division of processing for numbers and letters is particularly interesting, considering that these stimuli are similar in regards to their visual features, and only differ in the meaning we learned to associate with them. In fact, if you consider Roman numerals, or take a closer look at the title above, you will note that they can even be used interchangeably.

    My research aims to better understand the visual processing of numbers and letters. Particularly, I am interested to see whether the number and the letter form areas are actually entirely distinct entities or if there is a functional/spatial overlap between the regions. In addition, I would like to know how the current demands of the environment, i.e. the tasks being performed, alter the activity of these areas. Finally, as these regions are shaped by our experiences, I would like to explore how much experience is actually needed to develop these areas and, further, to what extent the respective neuronal terrain remains flexible even in adulthood.