Emotions are complicated and never more so than in the realm of the scientific, where commonly accepted definitions are lacking. In a new article, a researcher examines the basic emotions of grief, fear/anxiety, anger, shame and pride as they appear in scientific literature in an attempt to take a first step in defining them. "Emotion terms, especially in English, are wildly ambiguous," he writes in the paper's introduction
Some neurons are more active than others, even when they are positioned right next to each other and are one and the same neuron type. Researchers now have discovered the cause for this phenomenon.
"As real as that daydream may seem, its path through your brain runs opposite reality. Aiming to discern discrete neural circuits, researchers have tracked electrical activity in the brains of people who alternately imagined scenes or watched videos."
In order to understand learning a new language (or anything for that matter), one must realize that learning is not linear. There are plateaus and there are sometimes declines, however, one can try to realize that learning is a process that takes time to develop (healthy habits) and eventually, reach a learning level of an "expert".