Availability of unconscious information in human visual cortex: behavioural and neuroimaging experiments with graspable objetcs

人类视觉皮层无意识信息的可用性：可抓取物体的行为和神经影像实验

• 批准号: 194491234
• 负责人: Professor Dr. Guido Hesselmann
• 金额: --
• 依托单位: Psychologische Hochschule Berlin gGmbH (PHB)
• 依托单位国家: 德国
• 项目类别: Research Grants
• 财政年份: 2011
• 资助国家: 德国
• 起止时间: 2010-12-31 至 2018-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/194491234?language=en
• 关键词: Availability; unconscious; information; human; visual

According to a very influential vision model, the dual-pathway model, the primate visual system is divided into a ventral "vision-for-perception" pathway and a dorsal "vision-for-action" pathway. Among the model's core characteristics is the assumption that ventral stream processes are closely associated with conscious perception, whereas processing in the dorsal stream can occur without giving rise to awareness. The model is primarily based on neurophysiology, single-cell recordings and lesion studies in non-human primates, as well as neuropsychological experiments with brain lesioned patients. In neurologically intact participants, however, evidence for perception-action dissociations has so far been scarce and controversial. The proposed research program aims to better understand the relative contribution of the dorsal and ventral stream to nonconscious and conscious visual processing in the healthy brain. Ultimately, the results of the proposed research (involving behavioral and neuroimaging experiments) will help to refine one of the most influential models in cognitive neuroscience.

根据一个非常有影响力的视觉模型，双通路模型，灵长类动物的视觉系统分为腹侧的“视觉感知”通路和背侧的“视觉行动”通路。该模型的核心特征之一是假设腹侧流过程与意识感知密切相关，而背侧流中的处理可以在不引起意识的情况下发生。该模型主要基于非人类灵长类动物的神经生理学、单细胞记录和病变研究，以及脑损伤患者的神经心理学实验。然而，在神经系统完整的参与者中，感知-动作分离的证据迄今为止还很稀少，而且存在争议。该研究计划旨在更好地了解健康大脑中背侧和腹侧流对无意识和有意识视觉处理的相对贡献。最终，拟议研究的结果（包括行为和神经成像实验）将有助于完善认知神经科学中最有影响力的模型之一。

项目成果

Learning to detect but not to grasp suppressed visual stimuli

学习检测但不掌握被抑制的视觉刺激

• DOI: 10.1016/j.neuropsychologia.2013.09.035
• 发表时间: 2013
• 期刊: Neuropsychologia
• 影响因子: 2.6
• 作者: Ludwig;Kathmann;Sterzer;Hesselmann
• 通讯作者: Hesselmann

Differential modulation of visual object processing in dorsal and ventral stream by stimulus visibility

• DOI: 10.1016/j.cortex.2016.07.002
• 发表时间: 2016-10-01
• 期刊: CORTEX
• 影响因子: 3.6
• 作者: Ludwig, Karin;Sterzer, Philipp;Hesselmann, Guido
• 通讯作者: Hesselmann, Guido

Exploring the boundary conditions of unconscious numerical priming effects with continuous flash suppression

• DOI: 10.1016/j.concog.2014.10.009
• 发表时间: 2015-01-01
• 期刊: CONSCIOUSNESS AND COGNITION
• 影响因子: 2.4
• 作者: Hesselmann, G.;Darcy, N.;Knops, A.
• 通讯作者: Knops, A.