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Epigenetics of anxiety and stress–related disorders is the field studying the relationship between epigenetic modifications of genes and anxiety and stress-related disorders, including mental health disorders such as generalized anxiety disorder (GAD), post-traumatic stress disorder, obsessive-compulsive disorder (OCD), and more.
Other emotions like fear and anxiety long thought to be exclusively generated by the most primitive parts of the brain (stem) and more associated to the fight-or-flight responses of behavior, have also been associated as adaptive expressions of defensive behavior whenever a threat is encountered.
Behavioral epigenetics is the field of study examining the role of epigenetics in shaping animal and human behavior. [1] It seeks to explain how nurture shapes nature, [2] where nature refers to biological heredity [3] and nurture refers to virtually everything that occurs during the life-span (e.g., social-experience, diet and nutrition, and exposure to toxins). [4]
Evolutionary psychiatry, also known as Darwinian Psychiatry, [1] [2] is a theoretical approach to psychiatry that aims to explain psychiatric disorders in evolutionary terms. [3] [4] As a branch of the field of evolutionary medicine, it is distinct from the medical practice of psychiatry in its emphasis on providing scientific explanations rather than treatments for mental disorder.
The brain is an information processing device, and it produces behavior in response to external and internal inputs. [5] [21] The brain's adaptive mechanisms were shaped by natural and sexual selection. [5] [21] Different neural mechanisms are specialized for solving problems in humanity's evolutionary past. [5] [21]
Human karyogram. Neurogenetics studies the role of genetics in the development and function of the nervous system.It considers neural characteristics as phenotypes (i.e. manifestations, measurable or not, of the genetic make-up of an individual), and is mainly based on the observation that the nervous systems of individuals, even of those belonging to the same species, may not be identical.
A parenting and child development expert talks to Yahoo about the new emotion of Anxiety being including the "Inside Out" sequel. 'Inside Out 2' adds the new emotion Anxiety. Why that's important ...
Damage to the frontal cortices of the brain can cause deficits in behavior that can severely impact an individual's ability to manage their daily life. [11] As such, the period after a traumatic brain injury such as a frontal lobe disorder can be marked by emotional dysregulation. This is also true of neurodegenerative diseases. [12]