Kalinchuk Anna Valerievna

Place of work

Harvard University
candidate of biological sciences

Author's articles(4)

Nightmares in Medical Practice



nightmares are scary or disturbing dreams which are associated with negative feelings, such as fear, terror or disgust. These feelings oftentimes awake the dreamer, who can easily recollect the content of the nightmare. Nightmares are not necessarily a symptom of a disease. Moreover, nightmares with little emotional response are experienced by almost all people once in a while without any risk for their health. However, nightmares that occur frequently and disturb the sleep might lead to clinically significant impairments in social, professional and other areas of life. They are considered a s...

Oppositional Defiant Disorder in Childhood and Adolescence



oppositional defiant disorder (ODD) and conduct disorder (CD), which usually develop at the age below 18, are considered as a sustainable antisocial and aggressive types of behavior, stepping beyond the borders of socially accepted standards. Within the recent decades, significant success has been achieved in the diagnosis and long-term predictive assessment of different types of behavioral aberrations, occurring during the childhood and adolescence. Early development of behavioral disorders forms unfavorable predictions and correlates with biological and social risk factors, such as attention...

Sleep and Depression: What We Know and What to Learn?



presently, a lot of data indicate that the disturbance of mechanisms underlying the regulation of sleep-waking cycle coincides with the mechanisms underlying the development of depression. The disturbance of circadian rhythms is one of the core factors in the genesis of the most affective disorders including depression, which indicates the role of the internal biological clock in the pathophysiology of affective disorders. The episodes of depression, mania or hypomania may result from the disturbances in endogenous biological timing. In this review, we have summarized the literature data obtai...

Pills or Sleep Deprivation? Sleep-Deprivation as a Therapeutic Option Intervention in Psychiatry



in recent decades, sleep deprivation has evolved from a single experimental data set to the status of an effective and affordable therapeutic intervention used in daily clinical practice. The mechanism of action of this method is aimed at the same neurotransmitter systems and brain regions as antidepressants. As in the case of pharmacotherapy for sleep deprivation, it should be used under close supervision of a physician. Clinical effects with sleep deprivation are achieved much faster than with psychopharmacotherapy, but they are not long-term in nature. It is possible to improve the results...