perception

Psychedelics Double 5-Hz Brain Oscillations in Visual Cortex to Produce Hallucinations

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TL;DR: A psychedelic drug that activates serotonin receptors dramatically amplifies slow 5-Hz brain oscillations in visual and memory regions, suggesting a mechanism for how hallucinogens distort perception by letting internal signals override external reality. Visual perception feels stable, seamless, continuous. But that stability is an illusion orchestrated by your brain. What neuroscientists have long wondered …

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The “Perception of Multitasking” May Improve Performance & Motivation

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Research reveals that our perception of multitasking is often an illusion – most cognitive tasks cannot actually be done simultaneously. Surprisingly, this illusion of multitasking can improve performance on activities, even when the tasks remain unchanged. Key Facts: Although multitasking refers to doing multiple things concurrently, true multitasking is rare for cognitive tasks requiring attention. …

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Perceived Intelligence in Psychopathy: Specific Traits Matter (Primary vs. Secondary)

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A new study published in the Journal of Personality suggests that individuals exhibiting secondary psychopathic traits are perceived as less intelligent than those with primary psychopathic traits. The research examined how laypeople view the intelligence of others based on psychopathic traits. Here are some key findings: Individuals described as exhibiting high secondary psychopathy traits (impulsivity, …

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