Blindsight refers to the ability to make accurate visual discriminations without conscious awareness of the stimuli. In this study, we present new evidence from naturalistic observations of a patient with bilateral damage to the striate cortex, who surprisingly demonstrated the ability to detect colored objects, particularly red ones. Despite the slow and effortful process, the patient reported full awareness of the color aspect of the stimuli. These observations cannot be explained by traditional concepts of type 1 or type 2 blindsight, raising intriguing questions about the boundaries between objective and subjective blindness, as well as the nature of visual experience and epistemic agency. Moreover, these findings underscore the significant role that blindsight could play in future research, especially in understanding how higher cortical functions are involved in emotions and feelings. This highlights the necessity for further exploration to better understand the visual features that contribute to the phenomenon of affective blindsight.
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Univ Westminster, Fac Sci & Technol, Dept Psychol, London W1B 2HW, England
Aalto Univ, Sch Sci, OV Lounasmaa Lab, Brain Res Unit, Aalto 00076, FinlandUniv Westminster, Fac Sci & Technol, Dept Psychol, London W1B 2HW, England
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Jiangsu Tripod Preclin Res Labs Co LTD, Nanjing, Peoples R ChinaJiangsu Tripod Preclin Res Labs Co LTD, Nanjing, Peoples R China
Dou, Jinhui
Weathers, Pamela
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Worcester Polytech Inst, Dept Biol & Biotechnol, 100 Inst Rd, Worcester, MA 01609 USAJiangsu Tripod Preclin Res Labs Co LTD, Nanjing, Peoples R China
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Univ Politecn Cataluna, SARTI, Vilanova I La Geltru 08800, Spain
Univ Barcelona, Dept Appl Phys Meteorol, Barcelona 08028, SpainUniv Politecn Cataluna, SARTI, Vilanova I La Geltru 08800, Spain
Garcia-Benadi, Albert
Bech, Joan
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Univ Barcelona, Dept Appl Phys Meteorol, Barcelona 08028, Spain
Univ Barcelona, Water Res Inst IdRA, Barcelona 08028, SpainUniv Politecn Cataluna, SARTI, Vilanova I La Geltru 08800, Spain
Bech, Joan
Gonzalez, Sergi
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Agencia Estatal Meteorol AEMET, DT Catalonia, Barcelona 08071, SpainUniv Politecn Cataluna, SARTI, Vilanova I La Geltru 08800, Spain
Gonzalez, Sergi
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Udina, Mireia
Codina, Bernat
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Univ Barcelona, Dept Appl Phys Meteorol, Barcelona 08028, SpainUniv Politecn Cataluna, SARTI, Vilanova I La Geltru 08800, Spain
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Univ Calif Davis, Davis Med Ctr, Hematol Oncol Sect, Dept Pediat, Sacramento, CA 95817 USAUniv Calif Davis, Davis Med Ctr, Hematol Oncol Sect, Dept Pediat, Sacramento, CA 95817 USA
Zwerdling, Theodore
Konia, Thomas
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Univ Calif Davis, Davis Med Ctr, Dept Pathol, Sacramento, CA 95817 USAUniv Calif Davis, Davis Med Ctr, Hematol Oncol Sect, Dept Pediat, Sacramento, CA 95817 USA
Konia, Thomas
Silverstein, Marc
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Univ Calif Davis, Davis Med Ctr, Dept Dermatol, Sacramento, CA 95817 USAUniv Calif Davis, Davis Med Ctr, Hematol Oncol Sect, Dept Pediat, Sacramento, CA 95817 USA