A fundamental scientific question concerns the neural basis of perceptual consciousness and perceptual monitoring resulting from the processing of sensory events. Although recent studies identified neurons reflecting stimulus visibility, their functional role remains unknown. Here, we show that perceptual consciousness and monitoring involve evidence accumulation. We recorded single-neuron...
Ayahuasca is a psychoactive beverage commonly consumed by indigenous people of the Amazon, traditionally used in religious and medicinal rituals. Nowadays, the infusion is often consumed by non-indigenous people due to its popularization. Scientific research corroborates the indigenous belief on the beverage’s healing powers when it comes to psychoneurological disorders. It is verified that a...
Background: Despite several attempts to review and explain how meditation alters the brain and facilitates emotion regulation, the extent to which meditation and emotion regulation strategies share the same neural mechanisms remains unclear. Objective: We aim to understand the influence of meditation on the neural processing of negative emotional stimuli in participants who underwent meditation...