你看到了我看到的吗? 联结非自愿的非视网膜 (幻象) 视觉和精神图像在阿芬塔西亚
Rebecca Keogh1,2,3, Lachlan Kay1,4, Christian Meagher1,5
1School of Psychology, University of New South Wales, Sydney, Australia.
Journal of vision
|December 16, 2025
概括
患有幻觉症的个体,缺乏视觉图像,体验虹色幻觉的强度较小. 这表明自愿和非自愿的幻影视觉共享重叠的神经机制.
科学领域:
- 认知神经科学 认知神经科学
- 视觉感知 视觉感知 视觉感知
背景情况:
- 理论上,自愿和非自愿的幻象视觉,如心理图像和梦想,涉及重叠的神经机制.
- 自愿和非自愿幻象视觉之间的确切关系在很大程度上仍未被探索.
研究的目的:
- 调查自愿视觉图像和非自愿幻影视觉之间的关系.
- 检查患有幻觉症的个体的视觉错觉,这种情况的特点是无法自愿想象图像.
主要方法:
- 七个视觉错觉被呈现给有幻觉症和对照组的个体.
- 一个后续的在线研究精确地测量了使用调整方法在具有和没有视觉图像的个体中虹色传播幻觉.
主要成果:
- 与对照组相比,患有阿芬塔西亚的个体报告说,与控制组相比,他们对虹色彩传播幻觉的体验显著减少.
- 客观测量证实了虹色传播幻觉的强度较低,并且在患有幻觉症的个体中得到了主观评分.
- 在对照任务中没有发现群体差异,这表明对虹色幻觉的特异性.
结论:
- 数据表明,患有幻觉症的人体验虹色幻觉的强度较小.
- 研究结果支持这样一个假设:某些形式的自愿和非自愿幻象视觉依赖于共同的潜在机制.
相关概念视频
Visual Agnosia
892
Visual agnosia is a condition characterized by the inability to recognize visually presented objects despite having normal vision. For instance, a person with visual agnosia can describe the shape and color of an object but cannot identify or name it. This impairment does not affect their visual field, acuity, color vision, brightness discrimination, language, or memory. An example of this condition in a social setting is someone at a dinner party asking for "that silver thing with a round...
892
Synesthesia
477
Synesthesia is a remarkable condition where stimulation of one sensory or cognitive pathway leads to automatic, involuntary experiences in a second sensory or cognitive pathway. People with synesthesia experience a blending or crossing of their senses, such as sight and sound, leading to cross-modal sensations. In this condition, the stimulation of one sense, such as hearing a number or musical note, triggers an experience of another sense, like sensing a specific color, taste, or smell. People...
477
Magical Thinking
172
Magical thinking encompasses the belief in assumptions that defy logical reasoning yet appear intuitively convincing. It is a common psychological phenomenon that persists across various cultural and individual contexts. While these assumptions contradict empirical evidence and scientific laws, they often serve meaningful psychological roles in promoting emotional resilience and a sense of control, especially under stress or uncertainty.Thought-Action Fusion and the Law of SimilarityA key...
172
Implicit Memories
410
Implicit memories, also known as non-declarative memories, are long-term memories that function outside of conscious awareness. These memories influence behavior and skills without explicit knowledge. This type of memory is evident in tasks like playing tennis, snowboarding, and texting. Implicit memory has three subsystems: procedural memory, conditioning, and priming. This type of memory is essential in various activities, from everyday tasks to specialized skills.
One key aspect of implicit...
One key aspect of implicit...
410
Tip-of-the-Tongue Phenomenon
461
The tip-of-the-tongue (TOT) phenomenon is a cognitive experience characterized by a temporary inability to retrieve specific information from memory despite having a strong feeling of knowing the information. Although individuals cannot access the target word or detail, they frequently recall related elements, such as its initial letter, syllable count, or context. This partial retrieval often causes frustration, as one might recognize a familiar face or know that a name starts with a specific...
461
Vision
59.2K
Vision is the result of light being detected and transduced into neural signals by the retina of the eye. This information is then further analyzed and interpreted by the brain. First, light enters the front of the eye and is focused by the cornea and lens onto the retina—a thin sheet of neural tissue lining the back of the eye. Because of refraction through the convex lens of the eye, images are projected onto the retina upside-down and reversed.
59.2K


