Brain and Cognition

Let’s talk about pain catastrophizing measures: an item content analysis
Bob Patton –– This is a valuable addition to the broader body of knowledge on pain catastrophizing
Levels of toothache-related interests of Google and YouTube users from developed and developing countries over time
Abhiram Maddi –– This may be one of the first articles related to tooth ache and search habits of users of Google and YouTube. The methods used in the study are unique and may be universally applied for gathering data related to user habits for educational study. This would be very helpful in understanding behaviors of patients with specific oral disorders by dentists, policy makers and marketing firms.
Validity of the iLOAD® app for resistance training monitoring
Scotty Butcher –– This new app solves a problem with current apps in the resistance monitoring literature by allowing real-time velocity feedback. The authors have shown excellent validity compared with direct velocity measures.
Self-efficacy and enjoyment of physical activity in children: factorial validity of two pictorial scales
Laura Guidetti –– The article provides two new short pictorial scales, very easy to administer, and adequate for 6−7-year-olds. Of note, the two scales do not require a direct assistance from an adult for the assessment of children. These scales are useful to monitor children enjoyment for physical education and their actual and perceived physical abilities which are expected to stimulate the adoption of an active lifestyle and improve health-related quality of life.
Clustering of fMRI data: the elusive optimal number of clusters
Jafri Abdullah –– the number of clusters have always been debatable,
The impact of the Wenchuan earthquake on early puberty: a natural experiment
Charlie Zhang –– Large and geographically extensive sample, sound research design and significant results confirming the harmful effects of Wenchuan earthquake on early puberty.
Methods matter: the relationship between strength and hypertrophy depends on methods of measurement and analysis
Scotty Butcher –– This article addresses a major concern in the exercise training literature with implications for many fields including sports science, coaching, rehabilitation, and training. The authors have taken a thoughtful approach to a divergent topic and made sense of the conflicting literature.
Influence of allelic variations in relation to norepinephrine and mineralocorticoid receptors on psychopathic traits: a pilot study
Jafri Abdullah –– Receptor studies are the blue ocean for future drugs that will cure brain,mind and neurological diseases
Translating genomics into practice for real-time surveillance and response to carbapenemase-producing Enterobacteriaceae: evidence from a complex multi-institutional KPC outbreak
Nicholas Loman –– This is a really well worked example of how whole genome sequencing is transforming public health surveillance of infectious diseases.
Assessment of brain functional connectome alternations and correlation with depression and anxiety in major depressive disorders
Jafri Abdullah –– Standardization of studies in depression who are treated and those who are not are quite important.Papers from a Chinese cohort with depression is also interesting to note based on cultural bias
Brain and Cognition

Section discussions

Effective connectivity differences in motor network during passive movement of paretic and non-paretic ankles in subacute stroke patients @thePeerJ

An article I handled as editor has been published today @thePeerJ #AnimalBehavior #Ecology #EcosystemScience

Maternal trauma and fear history predict BDNF methylation and gene expression in newborns @thePeerJ

A within-subject comparison of different relaxation therapies in eliciting physiological and psychological changes in young women @thePeerJ

Non-parallel changes in songbird migration timing are not explained by changes in stopover duration @thePeerJ