Age, sex, and gender influence the organization of the brain's opioid system. Findings shed light on why there are significant differences between the opioid system on an individual level, and why some are more prone to developing opioid-linked pathologies than others.
A new study reports conscious feelings stem from bodily feedback. Researchers have mapped the organization of conscious feelings, reporting they cluster into five categories: positive emotions, negative emotions, cognitive function, somatic state and illness.
Vaccine skeptics have lower trust in doctors and are more likely to use alternative medicine. Researchers say vaccine recommendations given by authorities or as a result of social pressure cause defiance in those who are anti-vaccine.
A new eye tracking study reveals skilled musicians only read musical notes slightly faster than novices, but during that time, professional musicians are able to add flourish and play around with the music, interpreting it in their own manner.
Study finds a correlation with early infant gut microbiota composition and temperament traits in toddlers. Positive emotionality was associated with higher Streptococcus and Bifidobacterium levels, while negative and fear reactivity was associated with reduced bacterial diversity.