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7 papers
This review looked at eye-tracking studies of infants, toddlers, and young children with autism spectrum disorder (ASD) or at risk for ASD. Eye tracking is a non-invasive way to record where children look, and studies show early differences: reduced looking at people and faces and trouble shifting attention can appear…
Renewed interest in the effects of psychedelics in the treatment of psychiatric disorders warrants a better understanding of the neurobiological mechanisms underlying the effects of these substances. During the past two decades, state-of-the-art studies of animals and humans have yielded new important insights into the molecular, cellular, and systems-level actions…
Researchers followed 3,779 Canadian adolescents (mean age 12.8 years, 49% girls) for five years and found that when a teen’s screen time went up in a given year, their ADHD symptoms tended to increase that same year. Impulsivity was the strongest link between screen time and ADHD symptoms. Only social…
The researchers surveyed 1,738 students about ADHD, cannabis use, and thinking skills. People with ADHD who had used cannabis said it gave them short-term benefits for many ADHD symptoms (for example, hyperactivity and impulsivity) and eased many medication side effects (for example, irritability and anxiety). The study also found that…
Research on the predominantly inattentive attention-deficit/hyperactivity disorder (ADHD-PI) subtype/presentation is important given its high prevalence, but paradoxically it is under-recognized and undertreated. The temporal stability of the inattention symptom could impact the high worldwide prevalence of ADHD-PI. Some evidence suggests differences in the nature of attentional deficit in ADHD-PI vs.…
Researchers studied 28 teaching professionals who wore a device for three days to record heart rate and steps and who completed questionnaires for burnout, depression, and everyday executive function. People who met criteria for burnout had more problems with executive functions in daily life, higher average heart rates, lower heart-rate…
This mini-review describes how large or severe traumatic events can change the brain and affect thinking, emotions, and behavior. It says areas such as the amygdala and the prefrontal cortex show physiological changes after trauma, which are linked to problems with memory, attention, and emotional control. The paper also highlights…
