Highly sensitive people (HSPs), people with sensory processing sensitivity, are characterized by heightened emotional sensitivity and increased reactivity to both external and internal stimuli.

Our actions are triggered by various internal and external signals (stimuli). These signals may occur from verbal or physical interactions, ongoing or scheduled tasks, urgent requests, reminders, ...

A person's sensitivity to external stimuli depends not only on the state of their nervous system, but also on their cardiac cycle. Usually we do not notice our heartbeat, paying attention to it only ...

A University of Michigan-led research team has uncovered a neural network that enables Drosophila melanogaster fruit flies to convert external stimuli of varying intensities into a “yes or no” ...