Neurons for Vision Also Help the Brain Imagine New Things
A groundbreaking study published in the journal Science reveals that the human brain utilizes the same neurons and neural code for both visual perception and imagination. Led by Varun Wadia from Cedars-Sinai Medical Center and Caltech, the research involved monitoring over 700 individual neurons in 16 epilepsy patients who had electrodes implanted for medical reasons. Participants viewed various images, including faces, animals, and objects, and were later asked to imagine them. The findings demonstrated that imagined and perceived objects activate identical neural pathways. This discovery clarifies how the brain constructs mental models of unseen object parts or novel combinations, such as unicorns. Experts not involved in the study, including Kalanit Grill-Spector from Stanford University, highlight the significance of these insights for developing advanced computer models of vision. These models could potentially aid in creating prosthetic devices to restore sight for individuals with conditions like macular degeneration. The research bridges a critical gap in understanding the neural underpinnings of the 'mind's eye,' showing that visual imagination is not a separate process but relies on the same biological hardware as actual sight.
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Neurons for Vision Also Help the Brain Imagine New Things
A groundbreaking study published in the journal Science reveals that the human brain utilizes the same neurons and neural code for both visual perception and imagination. Led by Varun Wadia from Cedars-Sinai Medical Center and Caltech, the research involved monitoring over 700 individual neurons in 16 epilepsy patients who had electrodes implanted for medical reasons. Participants viewed various images, including faces, animals, and objects, and were later asked to imagine them. The findings demonstrated that imagined and perceived objects activate identical neural pathways. This discovery clarifies how the brain constructs mental models of unseen object parts or novel combinations, such as unicorns. Experts not involved in the study, including Kalanit Grill-Spector from Stanford University, highlight the significance of these insights for developing advanced computer models of vision. These models could potentially aid in creating prosthetic devices to restore sight for individuals with conditions like macular degeneration. The research bridges a critical gap in understanding the neural underpinnings of the 'mind's eye,' showing that visual imagination is not a separate process but relies on the same biological hardware as actual sight.
npr