Summary: Researchers have discovered that the neurotransmitter orexin, not the stress hormone noradrenaline, regulates pupil size, challenging prior understanding. Orexin neurons affect pupil size in response to emotional states and…
Category: Visual Neuroscience
Eyeing Fear: Neurons That Drive Visual Aversion Uncovered
Summary: Scientists have unearthed a cluster of neurons, which control our urge to avert our gaze from frightening situations. The team studied fruit fly brains and found these neurons release…
Revisiting the Invisible Gorilla: Fast-Moving Unexpected Objects Capture Attention
Summary: A study challenges the long-held belief that our ability to spot unexpected objects is compromised when focused on a separate task. The team showed that individuals are surprisingly good…
Cracking the Code of VR Sickness: Why Some Experience Motion Sickness While Gaming and Others Don’t
Summary: The way our senses adjust while playing virtual reality (VR) games affects the severity of cybersickness experienced. Researchers measured how participants perceived the orientation of vertical lines before and…