Dysphoric milk ejection reflex to nipple/areolar stimulation, thoughts of the baby or of breastfeeding, or overfull breasts, travels through both brain and bloodstream, causing emotional changes in the brain and the release of milk in the breast. Prolactin, released in a gradual wave that peaks after the beginning of a feeding, is responsible for continued milk production. Dopamine inhibits the release of prolactin, so dopamine levels must drop in order for prolactin levels to rise. Some speculate that the necessary dopamine drop is similar to (and timed with) the oxytocin spike – a sort of negative image – but that in D-MER mothers it
Psychological refractory period in separate modalities they should not interfere with each other. However, despite this separation, there is a maximum to the amount of capacity that can be devoted to them together. Although this idea enjoys some success, it is criticized because it fails to specifically define a mental resource. The definition tends to be circular in that limited resources define why an individual is not able to share two tasks, while the fact that individuals are not able to do two tasks at once is due to limited mental resources. Psychological refractory period The term psychological refractory period (PRP) refers to