BRIEF REPORT Too Much of a Good Thing? Cardiac Vagal Tone’s Nonlinear Relationship With Well-Being

Emotion Too Much of a Good Thing? Cardiac Vagal Tone's Nonlinear Relationship With Well-Being

Too much of a good thing? Cardiac vagal tone's nonlinear relationship with well-being.

Parasympathetic regulation of heart rate through the vagus nerve--often measured as resting respiratory sinus arrhythmia or cardiac vagal tone (CVT)--is a key biological correlate of psychological well-being. However, recent theorizing has suggested that many biological and psychological processes can become maladaptive when they reach extreme levels. This raises the possibility that CVT might ...

Too much of a good thing? Exploring the inverted-U relationship between self-control and happiness.

OBJECTIVE Can having too much self-control make people unhappy? Researchers have increasingly questioned the unilateral goodness of self-control and proposed that it is beneficial only up to a certain point, after which it becomes detrimental. The little empirical research on the issue shows mixed results. Hence, we tested whether a curvilinear relationship between self-control and subjective w...

Hormones and Hearing: Too Much or Too Little of a Good Thing Can Be Ototoxic

Hormones regulate and modulate many physiological processes of the body including the nervous, cardiac, respiratory, and gastrointestinal systems. So, it is not surprising that hormonal regulation can manifest itself at the sensory level as well. The present report reviews some recent studies on the relations between several key hormones— including aldosterone and sex hormones—and auditory proc...

مدیر موفق کیست؟

Who is a really successful manager? A manager who spends less money, or the one who earns more? A manager who can survive for a longer period of time, or an administrator who expands his organization, and opens up new branches? Which one is the most successful? The article tries to answer these questions and provides, some simple guidlines for the managers in every domain of management who wan...