The Function of Different Part of Parietal Lobe in Calculation Task with Functional MRI

Objective To explore the function of different part of parietal lobule in calculation task with functional magnetic resonance imaging. Methods Functional MR images were acquired in 18 healthy young subjects when they received simple calculation and complex calculation experiment. SPM2 was used to process data and localize the functional areas of brain.Results Prefrontal cortex , parietal lobe, cerebellum and occipital lobe were activated during simple calculation and complex calculation task. The dominating area in parietal lobe was inferior parietal part. With the increase of difficulty ,the increased activated number of subjects could be seen in superior parietal part.Conclusion Inferior parietal part is the dominating position in calculation task. With the increase of difficulty, the activation of superior parietal part is more obvious.