Thoughts on the course construction of Brain Functional Imaging for postgraduates majoring in biomedical engineering / 中华医学教育探索杂志

Based on the summary and reflection of the existing course construction content, this paper redesigns the course teaching to Brain Functional Imaging and forms a new curriculum construction scheme, including improving the professional teachers' ability of the teaching team by means of "internal training" + "external introduction", building an online and offline integrated teaching mode by combining online teaching resources such as course website with offline teaching (such as literature guidance, classroom discussion, comprehensive experimental design, etc.), and designing comprehensive experiments related to Electroencephalography (EEG) and functional near-infrared spectroscopy (fNIRS), which is driven by scientific research projects, based on the scientific research experimental platform of the teaching and research department. This construction scheme is of great significance for improving the teaching quality of the course, stimulating the learning interest of graduate students, and cultivating the comprehensive application and practical innovation ability of graduate students' brain imaging technology. And it also provides the reference for the further construction of the course and teaching reform in the future.

Gender Differences in Healthy Volunteers Stimulated by Emotional Pictures Through Functional MRI / 中国医学影像学杂志

Purpose The study aimed to explore gender differences of brain activation in healthy volunteers under the stimulation of emotional pictures.Materials and Methods The cerebral functional imaging data of twenty healthy volunteers at Henan Medical College from Nov.2014 to Dec.2014 were prospectively studied (12 males and 8 females).Emotional pictures (30 positive,30 negative and 30 neutral pictures) from Chinese Affective Picture System (CAPS) were used randomly as visual stimuli for both males and females.Functional MRI was performed while each subject was stimulated by emotional pictures.The fMRI data were processed and the statistical analysis was performed to obtain the activated brain regions of males and females and to compare the gender differences.Results Under the stimuli of negative emotional pictures,bilateral temporal lobe,bilateral cuneus in men and bilateral cuneus in women were activated under the stimuli of positive emotional pictures (P＜0.05).Compared with men,increased activation of left amygdala,bilateral prefrontal gyrus,bilateral precuneus and right insula were observed in women under the stimuli of negative pictures.The differences were statistically significant (P＜0.05).Compared with women,no cerebral region was more activated in men under the stimuli of negative pictures.Under the stimuli of positive emotional pictures,the left prefrontal gyrus in women was more activated than that in men whilst the left temporal lobe in men was more activated than that in women.The differences were statistically significant (P＜0.05).Conclusion Gender differences of activated cerebral regions under stimuli of emotional pictures do exist in healthy volunteers.In particular,more cerebral regions and increased activation were observed in women compare to men,which demonstrates that women response stronger to negative emotion.