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The effects of Guarana (Paullinia cupana) supplementation on the cognitive performance of young healthy adults – a Systematic Review

Introduction Cognition and Cognitive Enhancing Substances Cognition is ‘the mental action or process of acquiring knowledge and understanding through thought, experience, and the senses’ ( Oxford Dictionary ). Cognitive skills are perception, memory, language, attention, executive functions, psychomotor functions, information processing, applying knowledge and changing preferences ( Froestl W, Muhs A, Pfeifer A, 2014 ). Most cognitive enhancing substances, in general, are stimulants of the nervous system. Stimulants are known to increase physical and

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Two strategies used to solve a navigation task: A different use of the hippocampus by males and females? A preliminary study in rats

-dependent navigational strategies are associated with increased use of addictive rats. Hippocampus , 23 , 973–984. Chamizo, V. D. & Rodríguez, C. A. (2012). Qualitative sex differences in spatial learning. In S. P. McGeown (Ed.), Psychology of gender differences , (pp. 267–281). Hauppauge, NY: Nova Science Publishers, Inc. Chamizo, V. D., Rodríguez, C. A., Sánchez, J., & Mármol, F. (2016). Sex Differences after Environmental Enrichment and Physical Exercise in Rats when Solving a Navigation Task. Learning and Behavior, 44(3) , 227–238. Cheng, K. (1986). A purely

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Association of severity of depressive symptoms with sleep quality, social support and stress among Pakistani medical and dental students: A cross-sectional study

Introduction Admission to medical colleges is associated with a feeling of accomplishment and satisfaction amongst most physicians-in-training. However, the demanding educational and training environment in preclinical and clinical years has been shown to be emotionally taxing in many published studies ( Kiessling et al., 2004 ; Popa-Velea et al., 2017a ). Owing to this emotional exhaustion, a continuous down-spiralling of psychological and physical health has been reported among these students; overburdened by monotonous schedules, extensive curricula, a

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Adherence to Mediterranean diet and risk of depression later in life. A cross sectional study in East Attica, Greece

( Arvaniti et al., 2008 ). Total scores of 0–20 indicates low adherence to Mediterranean diet, scores 21–35 moderate and > 36 high adherence to Mediterranean diet ( Panagiotakos et al., 2006 ). Data analyses Statistical analysis was performed with SPSS for Windows v.24.0 Statistical Package. A chi square test was used to test the difference between categorical variables. P < 0.05 was considered as statistically significant. Fitting to a normal distribution, was assessed for every variable, with the Kolmogorov-Smirnov test, and it was not rejected in any case

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Psychometric properties of Self-Perception Profile for Children in a Polish sample

. Harter, S. (1993). Causes and consequences of low self-esteem in children and adolescents. In R.F. Baumeister (Ed.), Self-Esteem: The Puzzle of low self-regard. New York: Plenum. Harter, S., Whitesell, N. R., Junkin, L. J. (1998). Similarities and differences in domainspecific and global self-evaluations of learning-disabled, behaviorally disordered and normally achieving adolescents. American Educational Research Journal, 4 (35), 653-680. Harter, S. (2000). Is Self-Esteem Only Skin-Deep? The Inextricable Link between Physical Appearance

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Optimal development of young male volleyball players through transformational coach leadership

). Psychologia sportu pozytywnego. Sport Wyczynowy [Psychology of positive sport, The Competitive Sport ], 2, 68‒81. Price, M. S., & Weiss, M. R. (2013). Relationships among coach leadership, peer leadership, and adolescent athletes’ psychosocial and team outcomes: A test of transformational leadership theory. Journal of Applied Sport Psychology , 25, 265‒279. Reinboth, M., Duda, J. L., & Ntoumanis, N. (2004). Dimensions of coaching behavior, need satisfaction, and the psychological and physical welfare of young athletes. Motivation and Emotion , 28, 297

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Female corporality: The body-self of mothers and daughters in relation to the family

: Karnac Books. Legrand, D. (2010). Subjective and physical dimensions of bodily self consciousness, and their dis-integration in anorexia nervosa. Neuropsychologia, 48(3), 726-737. Margasiński A. (2009). Skale Oceny Rodziny (SOR). Polska adaptacja FACES IV - Flexibility and Cohesion Evaluation Scales Davida H. Olsona. Podręcznik / Clinical Rating Scale (CRS). Polish adaptation of the FACES IV - Flexibility and Cohesion Evaluation Scales by David H. Olson. Manual/. Warszawa: Pracownia Testów Psychologicznych. McKinley, N. M

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Psycho-social determinants of sexual satisfaction in young, middle and late adulthood

References Acker, M., & Davis, M. (1992). Intimacy, passion and commitment in adult romantic relationships: A test of the triangular theory of love. Journal of Social and Personal Relationships, 9, 21−50. Adams, C., & Turner, B.(1988). Reported change in preferred sexual activity over adult years. The Journal of Sex Research, 25(2), 289−303. Arrington, R., Cofrances, J., & Wu, A. (2004). Questionnaires to measure sexual quality of life. Quality of Life Research, 13, 1643−1658. Bancroft, J. (2009

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Perceived Residential Environment Quality and Neighborhood Attachment (PREQ & NA) Indicators by Marino Bonaiuto, Ferdinando Fornara, and Mirilia Bonnes – Polish adaptation

References Aiello, A., Ardone, R. G., & Scopelliti, M. (2010). Neighbourhood planning improvement: Physical attributes, cognitive and affective evaluation and activities in two neighbourhoods in Rome. Evaluation and Program Planning, 33(3), 264−275. doi:10.1016/j.evalprogplan.2009.10.004 Altman, I., & Rogoff, B. (1987). World views in psychology: Trait, interactional, organismic and transactional perspectives. In D. Stokols & I. Altman (Eds.), Handbook of environmental psychology (pp. 1−40). New York: Wiley

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