Nawanant Piyavhatkul

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BACKGROUND Anxiety disorders are characterised by long term worry, tension, nervousness, fidgeting and symptoms of autonomic system hyperactivity. Meditation is an age-old self regulatory strategy which is gaining more interest in mental health and psychiatry. Meditation can reduce arousal state and may ameliorate anxiety symptoms in various anxiety(More)
BACKGROUND Attention-deficit/hyperactivity disorder (ADHD) is one of the most common developmental disorders experienced in childhood and can persist into adulthood. The disorder has early onset and is characterized by a combination of overactive, poorly modulated behavior with marked inattention. In the long term it can impair academic performance,(More)
At present, the scientific evidence concerning the effect of Bacopa monnieri on brain activity together with working memory is less available. Therefore, we aimed to determine the effect of B. monnieri on attention, cognitive processing, working memory, and cholinergic and monoaminergic functions in healthy elderly. A randomized double-blind(More)
The development of cognitive enhancers from plants possessing antioxidants has gained much attention due to the role of oxidative stress-induced cognitive impairment. Thus, this study aimed to determine the effect of ginger extract, or Zingiber officinale, on the cognitive function of middle-aged, healthy women. Sixty participants were randomly assigned to(More)
OBJECTIVE To examine the short-term effects on fifth-year medical students of a 4-week, breathing meditation-based, stress reduction intervention on psychiatric symptoms, memory function, intelligence, and academic achievement. MATERIALS AND METHOD Using a randomized control trial, the meditation group practiced every 8.00 to 8.20 a.m. before beginning(More)
OBJECTIVE To compare the validity and reliability of the Thai version of the Rosenberg Self-Esteem Scale with the Self-Esteem Visual Analog Scale. MATERIAL AND METHOD The Rosenberg Self-Esteem Scale was translated into Thai and its content-validity checked by bacA translation. The reliability of the Rosenberg Self-Esteem Scale compared with the(More)
Multiple dose activated charcoal (MDAC) is used to enhance elimination of toxic substance in acute poisoning. However, its role in acute valproic acid (VA) overdose is controversial. The authors report a case of VA overdose that successfully recovered with MDAC treatment. The half-life of VA in the presented patient was decreased from 12 to 8 hours during(More)
BACKGROUND Mood disorders are one of the most prevalent psychiatric disorders that have early onset, are chronic and can cause functional impairment. It is therefore crucial to establish an accurate diagnosis for treatment and research purposes. OBJECTIVES The authors aimed to test the validity and reliability of the WHO Schedules for Clinical Assessment(More)
OBJECTIVES To determine the validity and reliability of the Thai version of the Stress and Adjustment Disorder section of WHO Schedules for Clinical Assessment in Neuropsychiatry (SCAN) version 2.1. MATERIAL AND METHOD The SCAN interview version 2.1 Stress and Adjustment Disorder section was translated into Thai and its content validity tested by back(More)
OBJECTIVE To study the prevalence of psychiatric disorders in children affected by the Asian tsunami in Ranong province, Southern Thailand 10 months after the disaster. SUBJECTS AND METHODS The subjects were 47 boys and 47 girls, age 1-18 years, who were affected by the tsunami. They were participants in the Psychosocial Care and Protection System for(More)