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11

Brinol et al (2009) suggest that your intuitions generalize. From the abstract: Building on the notion of embodied attitudes, we examined how body postures can influence self-evaluations by affecting thought confidence, a meta-cognitive process. Specifically, participants were asked to think about and write down their best or worse qualities while ...


9

The other answers cite minor effects related to your phenomena, but there's something more pervasive going on. In Carney et al's research report "Power Posing: Brief Nonverbal Displays Affect Neuroendocrine Levels and Risk Tolerance", it was found that "power posing" increases testosterone and cortisol levels which leads to, among other things, a greater ...


9

Several factors are proven to affect our experience of time. Those that differ from one day to the next include: Biochemistry affects our perception of time. Stimulants produce overestimates of time duration, whereas depressants and anesthetics produce underestimates of time duration. http://en.wikipedia.org/wiki/Time_perception Fear affects our ...


7

The answer is that we don't really know (for non-clinical populations). The relationship between weather and mood isn't straightforward, and the impact of weather on mood may be very small (on average). There have been some great experience-sampling studies that have looked at this. For example, in a sample of 1233, Denissen, Butalid, Penke, and van Aken ...


5

Most of your list fits for symptoms of lack of will to cooperate. Lack of will to cooperate is likely triggered by lack of sympathy, which again may be triggered by lack of trust. I say 'may' because there are several possible reasons that such situations may occur. Lack of will to cooperate may also be due to personality traits, especially due to low score ...


5

Short answer: Bipolar disorder is probably not composed of two comorbid illnesses, but it may be on a continuum that includes some depressive disorders. This is a good question, though it does convey some confusion associated with this diagnosis that should be cleared up. Bipolar symptoms: The first confusion I think is the idea that "depression", ...


5

Yup; basically, it works. Varvogli and Darviri (2011) review research on diaphragmatic breathing, reporting: Deep breathing has been successfully used to decrease the fatigue associated with haemopoietic stem cell transplantation patients 55, to reduce the anxiety and asthma signs/symptoms of children with asthma 56, in the management of acute stressful ...


5

Overview: It seems like quite a bit of research has been conducted with experience sampling methodologies looking at daily variations in mood and activity. It is an interesting question as to how best tease out the effect on mood of time of day per se and activities associated with time of day on variations. It also seems like there are individual ...


4

Yes, they can coexist. No, they aren't opposites. How could they be? Both ADHD and OCD affect a variety of different brain regions, and its effects are not consistent in every person. Maybe if OCD and all its symptoms were always caused by an excess of dopamine in one specific pathway in the reward system, whereas ADHD and all its symptoms was always caused ...


4

Although not the question you asked, there has been at least one study looking at the influence of 'cave-like environments' on cognition - people are more prone to magical thinking/illogical beliefs (not their term) when placed in a dark, windowless environment. Rigoli et al (2013): Cave-like Environments Facilitate Magical Thinking Abstract The ...


3

Are you interested in mood, emotion, or affect? Or all three? Mood is considered a "diffuse" affective state, whereas emotions are "object specific." If you're interested in this distinction, look up Mathias Siemer's work. Gerald Clore also does work on mood. If you're interested in emotions, then this is a bit harder to tell you who to look up. There's ...


3

ADHD is considered a neurodevelopmental disorder. Neurodevelopmental disorders are impairments of the growth and development of the brain or central nervous system. A narrower use of the term refers to a disorder of brain function that affects emotion, learning ability, self-control and memory and that unfolds as the individual grows. You are correct ...


3

From my personal experience I can tell you that the most confidence you get with strenthening of your shoulders (upper back), biceps and arms in general and most importantly the core (stomach). Bruce Lee (and other fighters would agree) used to say that core muscles are the most important in fight and who will win (if the fighters are similar) depends ...


3

According the the Yerkes–Dodson law, a moderate level of arousal gives energy to the task, improving performance. The Yerkes–Dodson law is an empirical relationship between arousal and performance, originally developed by psychologists Robert M. Yerkes and John Dillingham Dodson in 1908. The law dictates that performance increases with ...


2

Different diagnostic systems may assign these syndromes to different categories based on theory or clinical opinion. In the DSM-IV era, OCD was listed under the "Anxiety disorders" category; however, in the DSM-5, it is now listed under a different "Obsessive-Compulsive and related disorders" category. ADHD is currently under the "Neurodevelopmental ...


2

I found this twitter study of mood in the US (U.S. Mood Throughout the Day, as inferred from Twitter) and it clearly shows circadian variation of mood - happier in the morning and evening. I'm surprised to see such a dip towards lunch time though.


2

Does sleep deprivation cause mood swings? Few studies have focused on mood changes in healthy subjects following sleep deprivation. It seems that there is evidence for sleep deprivation causing mood changes on the subsequent day, but there is no evidence for or against it causing mood swings. Hart et al. (1987) found significantly higher self-reported ...


1

Self affirmations is a kind of meditation, that is a specific state of mind, guided consciously. This kind of activity itself amends the person into a more direct and ordered state, actively improving the balance between the functioning of the sympathetic and parasympathetic systems. This brings in the feeling of improvement and serves as a reward which ...


1

The most related experiment that I can think, is the one that people were willing to drink more water after seeing a happy face, because they evaluated the water as more positive. See full article bellow : Face Value: Hidden Smiles Influence Consumption And Judgment.


1

Yes and no. As organisms in environment emotions could be defined as our bodies reaction to our environment so yes if your environment changes then of course your emotions will change. So there's that. However if you're asking what I think you're asking which is for some sort of explanation for the observed changes in your behaviour that have been caused by ...


1

Nick's answer is very thorough. I would add that the physiological symptoms of high-stress (muscle tightening, accelerated heartbeat, shallow quick breath) can be reversed by controlling breath voluntarily. So, when you change these physical conditions, emotional state often follows.



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