Estimates of heritability for depression symptoms and indices of negative emotionality were also largely comparable to those in previous research (range 0.39 0.50).
These theories propose that, the prediction would be that highly demanding tasks, generally associated with enhanced subjective and physiological indices of negative affect state (e.g., Callister, Suwarno & Seals, 1992), would facilitate exogenous attention to distractors.
But anecdotes and hypotheticals aside, how do Russia and the US compare when it comes to that fundamental index of negative liberty?
Its five-year annualized performance of 7.9 percent outpaces the S.& P. Total Return Index of negative 0.8 percent during the same period.
Emotional Responsivity, an index of negative emotional variability during waking hours, was operationalized as the standard deviation of each individual's negative emotions scores throughout the day.
In rats, 50-kHz USVs were proposed to reflect positive affective states, whereas 22-kHz USV were shown to be an index of negative states [34].
The behavioral response threshold is defined in this study as the lowest concentration of odor where the mean response index of subject larvae is statistically different from the mean response index of negative control larvae, Orco −; all statistical comparisons reported in this section are relative to Orco − larvae.
In the technology-rich Nasdaq market, meanwhile, a strong comeback by Internet and tech heavyweights is lifting the Composite Index out of negative territory with a gain of 10.77 to 2026.73.
In the technology-rich Nasdaq market, the picture was more mixed as semiconductor, Internet and select telecommunications stocks resisted the downturn, lifting the Nasdaq Composite Index out of negative territory in the last few minutes of trading.
Although more commonly used in the context of post-traumatic stress disorders, the IES has also been previously used an index of intrusive negative memories in depression (Lang et al., 2009).
Accordingly, long 22-kHz USVs may index a state of negative activation, whereas short, 50-kHz USVs may instead index a state of positive activation [15], [58], [59].
