时间：12月18日 (周四)  18:00-20:00

地点：恕园28号楼205室

主题：工作进展和文献报告

1、工作进展报告：大脑视空-语义网络与乘法能力的关系

主讲：吴骄宇 同学

2、文献汇报：数学能力的神经解剖学、转录组学和分子相关性以及它们对学习结果的预测价值

主讲：范卫国 同学

3、文献汇报：音乐聆听过程中眨眼运动与音乐节拍的同步

主讲：李宇欣 同学

4、文献汇报：视知觉通过增强注意网络的抑制性神经调制来锐化并加速注意采样

主讲：马家慧 同学

欢迎老师与同学们踊跃出席！

脑科学研究所

文献详细信息

1、题目：Neuroanatomical, transcriptomic, and molecular correlates of math ability and their prognostic value for predicting learning outcomes

期刊信息：Science Advances IF: 12.5 SCI: Q1 中科院:一区。

摘要：

Foundational mathematical abilities, acquired in early childhood, are essential for success in our technology-driven society. Yet, the neurobiological mechanisms underlying individual differences in children's mathematical abilities and learning outcomes remain largely unexplored. Leveraging one of the largest multicohort datasets from children at a pivotal stage of knowledge acquisition, we first establish a replicable mathematical ability-related imaging phenotype (MAIP). We then show that brain gene expression profiles enriched for candidate math ability-related genes, neuronal signaling, synaptic transmission, and voltage-gated potassium channel activity contributed to the MAIP. Furthermore, the similarity between MAIP gene expression signatures and brain structure, acquired before intervention, predicted learning outcomes in two independent math tutoring cohorts. These findings advance our knowledge of the interplay between neuroanatomical, transcriptomic, and molecular mechanisms underlying mathematical ability and reveal predictive biomarkers of learning. Our findings have implications for the development of personalized education and interventions.

2、题目：Eye blinks synchronize with musical beats during music listening

期刊信息：PLOS Biology   IF: 7.8   SCI: Q1   中科院：一区

摘要：

Auditory-motor synchronization, the alignment of body movements with rhythmic

patterns in music, is a universal human behavior, yet its full scope remains incompletely understood. Through four experiments with 123 young nonmusicians, integrating eye-tracking, neurophysiological recordings, white matter structural imaging, and behavioral analysis, we reveal a previously unrecognized form of synchronization: spontaneous eye blinks synchronize with musical beats. Blinks robustly synchronized with beats across a range of tempi and independently of melodic cues. Electroencephalogram recordings revealed a dynamic correspondence between blink timing and neural beat tracking. Blink synchronization performance was linked to white matter microstructure variation in the left superior longitudinal fasciculus, a key sensorimotor pathway. Additionally, the strength of blink synchronization reflected the modulation of dynamic auditory attention. These findings establish blink synchronization as a novel behavioral paradigm, expanding the auditory-motor synchronization repertoire and highlighting the intricate interplay between music rhythms and oculomotor activity. This discovery underscores a cross-modal active sensing mechanism, offering new insights into embodied music perception, rhythm processing, and their potential clinical applications.

3、题目：Visual awareness sharpens and accelerates attentional sampling through enhancing inhibitory neural modulation in the attention network

期刊信息：Nature Communications IF: 15.7 SCI: Q1 中科院：一区

摘要：

Attentional sampling, orchestrated by neural oscillations within the fronto-parietal attention network, sequentially focuses on stimuli in a dynamic pattern, thereby enhancing the efficiency of attentional selection. However, the role of conscious awareness in this default attentional process remains largely unexplored. Here, we employed the Chromatic Flicker Fusion (CFF) method to render attentional cues invisible and investigated how cue awareness modulates attentional sampling. Using a high-temporal-resolution behavioral paradigm and electroencephalography (EEG) combined with the temporal response function (TRF) approach, we found that both visible and invisible cues induced rhythmic behavioral sampling and reset connectivity between the frontal and right occipito-parietal regions, indicating that attention samples rhythmically regardless of cue awareness. Crucially, visible cues not only elicited stronger behavioral inhibition and enhanced neural alpha activity, but also triggered faster attentional sampling (~8 Hz vs. ~4 Hz) and higher frequency frontoparietal coupling (alpha vs. theta band). These findings demonstrate that the conscious representation of attentional cues influences inhibitory neural responses within the frontoparietal attention network and modulates the attentional sampling process.