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TEPS and reward

Huijun Yang, Qinyu Li, Cheng Guo, Ahmad Naveed, Jun Yang, Yanna Nuli, Jiulin Wang
The Li-S batteries have been rewarded as the one of the most promising candidates due to their high energy densities. In this study, the common nonflammable solvent triethyl phosphate (TEP) is used for the first time as a co-solvent in Li-S battery. In the highly safe electrolyte system of 1 M LiBOB/TEP + FEC (7 : 3, v/v), the sulfur composite cathodes show enhanced cycling performance with a satisfactory capacity retention of 91.3% after 500 cycles at 1C.
April 6, 2018: Chemical Communications: Chem Comm
Xin-Hua Yang, Yi Wang, Dong-Fang Wang, Kai Tian, Eric F C Cheung, Guang-Rong Xie, Raymond C K Chan
Anhedonia is associated with dysfunction of the neural circuitry of reward in patients with major depressive disorder (MDD). However, its neurobiological basis is not fully understood. The present study examined the association between anhedonia and white matter (WM) characteristics in patients with first-episode MDD. We recruited 30 patients with first-episode drug-naive MDD and 28 healthy controls (HC) to undergo diffusion weighted imaging. We examined specifically the correlation between WM characteristics and anhedonia measured with the Temporal Experience of Pleasure Scale (TEPS) in MDD patients...
June 30, 2017: Psychiatry research. Neuroimaging
Joshua B B Garfield, Sue M Cotton, Dan I Lubman
BACKGROUND: Individuals with substance dependence commonly experience anhedonia. Theories of anhedonia distinguish between anticipatory and consummatory reward deficits, with the Temporal Experience of Pleasure Scale (TEPS) the first self-report scale to separately measure these two constructs. Several psychometric studies have analysed the trait version of the TEPS, but the state version of the TEPS has not been previously validated. METHODS: We examined the psychometric properties of the state version of the TEPS in 121 individuals with opiate dependence (81% Australian-born), to confirm its 2-factor structure and examine the internal consistency, convergent and divergent validity, test-retest reliability, and performance as a state measure...
April 1, 2016: Drug and Alcohol Dependence
Joachim T Geaney, Michael T Treadway, Luke D Smillie
Research in motivation and emotion has been increasingly influenced by the perspective that processes underpinning the motivated approach of rewarding goals are distinct from those underpinning enjoyment during reward consummation. This distinction recently inspired the construction of the Temporal Experience of Pleasure Scale (TEPS), a self-report measure that distinguishes trait anticipatory pleasure (pre-reward feelings of desire) from consummatory pleasure (feelings of enjoyment and gratification upon reward attainment)...
2015: PloS One
Andrea C Katz, Casey Sarapas, Jeffrey R Bishop, Shitalben R Patel, Stewart A Shankman
The Val(158)Met rs4680 polymorphism in the COMT gene regulates dopamine catabolism in the prefrontal cortex (PFC). Dopamine's involvement in reward experience suggests those with the methionine (Met) variant may exhibit trait-level sensitivity to reward due to more post-synaptic dopamine in the PFC. A physiological mediator of this association may be greater relative left asymmetry in the PFC, a putative biomarker for trait positive emotionality. Electroencephalograms of 120 participants were measured during a task that assesses two aspects of reward processing: pre-reward anticipation and post-reward consummatory affect...
2015: Cognition & Emotion
Danielle A Schlosser, Melissa Fisher, David Gard, Daniel Fulford, Rachel L Loewy, Sophia Vinogradov
Motivational impairment is a critical factor that contributes to functional disability in schizophrenia and undermines an individual's ability to engage in and adhere to effective treatment. However, little is known about the developmental trajectory of deficits in motivation and whether these deficits are present prior to the onset of psychosis. We assessed several components of motivation including anticipatory versus consummatory pleasure (using the Temporal Experience of Pleasure Scale (TEPS)), and behavioral drive, behavioral inhibition, and reward responsivity (using the Behavioral Inhibition Scale/Behavioral Activation Scale (BIS/BAS))...
September 2014: Schizophrenia Research
U A Dietz, A Wiegering, C T Germer
Hernia surgery is generally a rewarding task, patient satisfaction is high and the long-term results are generally good. Incisional hernias are more heterogeneous and there is a higher variability of morphologies to be matched with the available therapeutic approaches but the majority of patients are also satisfied with the results. This positive scenario for hernia surgery can be largely attributable to careful preoperative planning, effective surgical techniques and a high degree of standardization. The picture is somewhat clouded by the complications associated with hernia surgery...
February 2014: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
Clifford M Cassidy, Martin Lepage, Philippe-Olivier Harvey, Ashok Malla
BACKGROUND: There is evidence of decreased pleasure and deficits in the anticipation of reward in both psychotic illness and drug addiction. Individuals with low anticipatory pleasure may preferentially engage in behaviours associated with immediate reward such as cannabis use. METHOD: Ninety-one psychosis patients and 91 controls without history of psychosis were administered the Temporal Experience of Pleasure Scale (TEPS), a self report which measures anticipatory and consummatory pleasure...
May 2012: Schizophrenia Research
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