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21 votes
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Why do some days feel fast and others feel slow?

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 ...
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8 votes
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How do we know bipolar is one illness rather than two comorbid illnesses?

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 ...
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7 votes
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Why does weather often affect mood?

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)...
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6 votes
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Is memory biased towards positive or negative memories?

The short answer is: it depends on age. For younger adults, negative memories last longer than positive memories. The opposite is true for older adults (above 60 years old). This paper is a good ...
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  • 1,151
6 votes

What psychological disorders have frequent and rapid anger outbursts?

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 ...
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  • 3,729
5 votes

Are ADHD and OCD under some type of mental illness?

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, ...
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5 votes

Are ADHD and OCD under some type of mental illness?

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 ...
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4 votes

How can I understand the phenomenon of mood better?

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 ...
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  • 4,256
4 votes

Does not seeing sunlight for several days impair moral judgment and lower mood?

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 (...
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  • 1,472
4 votes
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Can adhd and ocd coexist? Is it in the same way mania and depression can coexist (in bipolar disorder)?

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 ...
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3 votes
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Euphoria from oxygen deprivation

Short answer Given the fact that literature on hypoxia consistently report euphoria as a symptom, my conclusion is that the two are correlated strongly and is not confined to a small subset of ...
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3 votes

Anger and problem solving

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 ...
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2 votes

relationship between mood and working memory

Welcome to the community Dalek! Emotional states can guide the actions and decisions we make in our everyday life through their influence on cognitive processes such as working memory. I would like to ...
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  • 41
2 votes

How can I test whether Dorsal Raphe Nucleus (DRN) activity at night is related to variations in mood?

Short answer To start my post with a cliche - correlation (between raphe activity and movement) does not imply causality. More importantly, the complete absence of the raphe nucleus does not negate ...
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2 votes

Is there a circadian component to mood variations in humans?

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 ...
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  • 9,302
2 votes
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Sleep deprivation and task performance

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 ...
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1 vote

Psychological analysis of diary data

The questions to ask would be limited on the data set you have. From what i understand, the app allows you to track Time Mood Activity These data points might give a direction on how to make your ...
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1 vote

Can positive self-affirmation improve mood?

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 ...
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  • 141
1 vote

What to call theory where next activity following a fun activity is also perceived as fun?

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 ...
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