Attention-deficit/hyperactivity disorder (ADHD) is a common and debilitating psychiatric disorder characterized by symptoms of inattention, impulsivity and motor restlessness. Consistently noted alongside these symptoms is mood instability in the form of irritability, volatility, swift changes in mood, hot temper and low frustration tolerance. The current diagnostic classification systems do no...

The television broadcasting industry has experienced both significant technological and regulatory changes over the past two decades. As a result of these changes, the scope of competition in terms of the number of viewing options available to the public has greatly increased. In order to examine the effects of these changes on competition and viewer welfare, we present a model of competitive b...

While it is widely accepted that music evokes moods, there is disagreement over whether music-induced moods are relevant to the aesthetic appreciation of music as such. The arguments against the aesthetic relevance of music-induced moods are: (1) moods cannot be intentionally directed at the music and (2) music-induced moods are highly subjective experiences and are therefore a kind of mind-wan...

Internet-pornography-viewing disorder (IPD) is considered one type of Internet-use disorder. For IPD's development, it was assumed theoretically that a dysfunctional use of Internet pornography to cope with depressive mood or stress might be considered to be a risk factor. To address the effect of Internet pornography use on mood, an online study with three measuring points with a sample of mal...

BACKGROUND Bipolar disorder (BPD) is a common condition associated with significant morbidity and reduced quality of life. In addition to challenges caused by their mood symptoms, parents affected with BPD harbor concerns about the mental health of their children. Among adult parents who perceive themselves to have BPD, this study aims to examine participants' coping methods; identify predictor...

Memory recall has been proposed as a common and effective mood regulation strategy. Although several studies have presented results suggesting that recalling valenced memories affects subsequent mood, their designs allow for alternative interpretations of the observed effects. Two such alternatives include the reverse effect (mood effects on memory due to non-experimental assignment to memory r...

Wewould like to start this chapter by describing three severe cases of schizophrenia where treatment resistance developed at different time points of the evolution or natural history of disorder. Case report 1—AB is a man of 34 years who developed his first psychotic symptoms at the age of 17 years. He has a history of neurodevelopmental abnormalities such as birth complications and motor and l...