…considerable research has demonstrated that there are empirical problems and conceptual limitations with the traditional DA hypothesis of “reward”…DA neuron activity and DA release occur in response to a variety of conditions, and span multiple timescales from very fast to relatively slow signals.
“Traumatic events early in life can increase…the risk of developing chronic indigestion and anxiety during adulthood”
The impairment of sensory neurons has been known to delay aging by switching on the action of a well-known anti-aging protein called FOXO. FOXO then turns on the gene’s encoding proteins that protect cells and repair damages in various body parts. …
“…the more symmetrical a face, the more people find it attractive.” “…there are things below our conscious perception that impact how we perceive beauty…”
“…..Specific circuits that happen to be in areas we can identify using criteria, anatomical or chemical, with no functional meaning, give rise to functions.
“studies of oxytocin, … the effect of nasal squirts of the hormone on trust are not reliably different from zero. “Our initial enthusiasm for the [intranasal oxytocin] findings has slowly faded away over the years and the studies have turned us from ‘believers’ into ‘skeptics’,” the researchers write.