This review paper provides an integrative account regarding neurophysiological correlates
of positive emotions and affect that cumulatively contribute to the scaffolding for positive …

The past decade has witnessed exponentially growing interest in the lateral habenula (LHb)
owing to new discoveries relating to its critical role in regulating negatively motivated …

Las normas sociales, además de garantizar el funcionamiento racional de una sociedad,
aseguran que los mecanismos que rigen las relaciones entre los individuos no se …

Environmental stimuli and objects, including rewards, are often processed sequentially in
the brain. Recent work suggests that the phasic dopamine reward prediction-error response …

Rewards are crucial objects that induce learning, approach behavior, choices, and
emotions. Whereas emotions are difficult to investigate in animals, the learning function is …

The nucleus accumbens is a major input structure of the basal ganglia and integrates
information from cortical and limbic structures to mediate goal-directed behaviors. Chronic …

Neuroadaptations that occur in response to repeated substance use diminish the euphoria
that is produced by the acute use of a drug and increase levels of physical and emotional …

The development of chronic pain is considered a major complication after surgery. Basic
science research in animal models helps us understand the transition from acute to chronic …

This review takes a historical perspective on concepts in the psychology of motivation and
emotion, and surveys recent developments, debates and applications. Old debates over …

Allostasis, or stability through change, has most often been linked with challenges to
homeostasis, in which repeated challenges or stressors produce sufficient allostatic load to …