Ventrolateral prefrontal cortex and posterior parietal cortex multielectrode array recordings during local-global no-report task (v1)

This dataset features multiunit activity (MUA) recordings from two adult male macaque monkeys, captured via Utah arrays implanted in specific brain regions: the ventrolateral prefrontal cortex (vlPFC, area 45a) and the parietal cortex (PPC, areas 7a/7b). The recordings were made as the monkeys engaged in a visual task, where they were required to maintain their gaze on a central fixation point while a sequence of images was displayed. These images were presented within a 2x2 local-global design. The primary aim of collecting this data was to investigate how the vlPFC encodes sequences and their violations, which would be used to understand neural activity from within the predictive coding framework. Additionally, PPC data was gathered to compare the decoding signal strength across an equivalent number of recording channels. For Monkey A11, PPC and vlPFC data were collected concurrently, whereas, for Monkey H07, the PPC data was obtained in separate sessions. The dataset is versatile and well-suited for future research in visual perception and neural dynamics.

本数据集包含两只成年雄性猕猴的多单元活动（multiunit activity, MUA）记录，该类记录通过植入特定脑区的犹他阵列（Utah arrays）采集得到，所覆盖的脑区包括腹外侧前额叶皮层（ventrolateral prefrontal cortex, vlPFC，45a区）与顶叶皮层（parietal cortex, PPC，7a/7b区）。数据采集于猕猴执行一项视觉任务的过程中：实验要求猕猴将视线固定于中央注视点，同时呈现一系列图像，这些图像采用2×2局部-全局设计范式进行展示。本数据集的核心采集目标为探究腹外侧前额叶皮层如何对序列及其违背情况进行编码，以期基于预测编码框架（predictive coding framework）解析神经活动机制。此外，采集顶叶皮层数据是为了在等量记录通道下对比解码信号强度。对于猕猴A11，顶叶皮层与腹外侧前额叶皮层的数据为同步采集；而对于猕猴H07，顶叶皮层数据则通过单独的实验时段采集。本数据集适用性广泛，可用于视觉感知与神经动力学领域的后续研究。