Physiology and Behavior

A new study suggests that oxytocin levels are associated with impaired social cognition in schizophrenia.

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This an audio paper on oxytocin pathway gene networks in the human brain, published in Nature Communications.

Read the full paper here.

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This an audio paper on remedies for three common issues in meta-analysis: lack of pre-registration, misinterpretation of funnel plots, and effect size dependencies.

Read the paper preprint here. 

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Here's a talk I recently gave at Leiden University on December 12th 2018. I provide an overview of HRV and its role in mental illness, which is generally characterised by reduced HRV. I will also cover how reduced HRV has important functional significance for social behaviours and psychological flexibility in response to stressors. Easy access to measuring HRV is both one of its strengths and weaknesses, so I also discuss its responsible application in biobehavioral research. 

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Here's the slidedeck I used

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I had a chat with Belinda Poole, a graduate student from the University of Sydney (my alma mater!), about her first meta-analysis. We discuss the publication of meta-analysis protocols, how to best find mistakes in your data extraction, and using the JAMOVI software package as a stepping stone to R for meta-analysis. 

Links

Tutorial paper on meta-analysis

P uniform

Statcheck

R meta-analysis mailing list

JAMOVI

Twitter

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In this episode, I share an audio version of a recent paper on Bayesian alternatives for null hypothesis significance tests. Read the open access paper here.

Full reference to the paper: Quintana, D.S. & Williams, D.R. Bayesian alternatives for common null- hypothesis significance tests in psychiatry: a non-technical guide using JASP BMC Psychiatry (2018) 18: 178. https://doi.org/10.1186/s12888-018-1761-4

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I recently had a chat with Thea, a PhD student from New York University, about her first meta-analysis. We discuss the value of learning meta-analysis, the difference between publication bias and small study bias, leave-one-out analyses, using the R meta-analysis mailing list for solving problems, comparing correlations, and the benefits of Twitter when you're learning a new skill.

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Links

Tutorial paper on meta-analysis

TOSTER R package

R meta-analysis mailing list

Comparing correlations

Twitter

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Video episodes on YouTube

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In this episode, I share an audio version of a recent paper on evidence for intranasal oxytocin delivery to the brain. Read the open access paper here.

Full reference to the paper: Quintana, D. S., Smerud, K. T., Andreassen, O. A., & Djupesland, P. G. (2018). Evidence for intranasal oxytocin delivery to the brain: recent advances and future perspectives. Therapeutic Delivery, 9(7), 515-525.

Links

The paper

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