In mammals, the perception of visual stimuli is supported by the coordinated activity of thousands of neurons in different brain regions. The images perceived by the eyes are represented in the brain, passing various steps ...
Across the entire animal kingdom, visual images are processed by two major neuronal pathways that extract light and dark stimuli from visual scenes—ON (light on) and OFF (light off) pathways.
Nov 28, 2023
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The most impressive uses of artificial intelligence rely on good data—and lots of it. Chatbots, for example, learn to converse from millions of web pages full of text. Autonomous vehicles learn to drive from sensor data ...
Aug 29, 2023
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A machine learning model developed by Duke Health researchers can differentiate normal cognition from mild cognitive impairment using retinal images from the eye.
Jul 10, 2023
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When asked to close their eyes and imagine a sunset, most people can bring to mind an image of the sun setting on the horizon. Some people may experience more vivid details, such as vibrant colors, while others may produce ...
May 17, 2023
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After a long day of work or study, your brain might feel like it has been drained of energy. But does our brain burn more energy when engaging in mental athletics than it does during other activities, such as watching TV?
Apr 26, 2023
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Humans are known to perceive the environment around them differently based on the situation they are in and their own feelings and sensations. Internal states, such as fear, arousal or hunger can thus affect the ways in which ...
When you hear someone talk, do you see the words in your mind's eye? Or do you see what they're saying as a movie? It's easy to assume that the way you perceive the world is the same for everyone. But recent studies have ...
Feb 28, 2023
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Pioneering artificial intelligence (AI) which automatically diagnoses lung diseases—such as tuberculosis and pneumonia—could ease winter pressures on hospitals, University of the West of Scotland researchers believe.
Nov 7, 2022
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AI-enabled imaging of the retina's network of veins and arteries can accurately predict cardiovascular disease and death, without the need for blood tests or blood pressure measurement, finds research published online in ...
Oct 4, 2022
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