#Vision

A groundbreaking study published in the peer-reviewed journal Science Advances has revealed that everything we perceive visually is not in real time, but actually an average of what we saw up to 15 seconds ago—a revelation that could fundamentally reshape our understanding of human perception and consciousness. This research, led by teams from the University of Aberdeen and University of California, Berkeley, suggests our brains constantly merge recent visual history to present us with a stable, coherent world—essentially tricking us into viewing a smooth, illusionary reality (Popular Mechanics; Science.org; UNILAD).

A groundbreaking international study led by over 150 scientists has produced the most detailed map ever of how visual information moves through the brain, uncovering more than 500 million intricate connections within a speck of mouse brain tissue and bringing the world closer to understanding how we see. Published in the journal Nature on April 9, 2025, the research combines genetic engineering, high-powered electron microscopy, and deep learning to capture not only the physical wiring of over 200,000 brain cells but also their real-time electrical activity in response to visual stimuli. The project—hailed as one of the most complex neuroscience experiments ever attempted—has generated a dataset of unprecedented size and detail: 1.6 petabytes, about the equivalent of 22 years of continuous high-definition video, all representing a single grain-sized fragment of brain.

As spring arrives, bringing along an array of vibrant flora, it also heralds the return of seasonal allergies, which can significantly impact eye health. Key vitamins and minerals play a vital role in bolstering vision and protecting against common springtime eye ailments, such as dry eyes, oxidative stress, and inflammation. For Thai readers navigating this vibrant yet challenging season, understanding how dietary changes can make a difference is crucial.

With Thailand’s lush landscapes springing to life, the increase in pollen and dust during this time can lead to uncomfortable eye symptoms like redness, tiredness, and blurred vision. This is particularly relevant in Thailand, where bustling cities and rural areas alike experience varied pollen counts. Protecting eye health during this peak allergy season requires both proactive environmental measures—such as wearing sunglasses, using air purifiers, and maintaining good hygiene—and mindful nutrition.