The hypothalamus then responds by releasing the right hormones into the bloodstream to balance the body. One example of this is the remarkable ability of a human being to maintain an internal temperature of If the hypothalamus receives a signal that the internal temperature is too high, it will tell the body to sweat. If it receives the signal that the temperature is too cold, the body will create its own heat by shivering.
For a mental state to classify as a disorder, it generally needs to cause dysfunction. It has been noted that using the term "mental" i.
According to DSM-IVa mental disorder is a psychological syndrome or pattern which is associated with distress e. The Rise and Fall of the Nervous BreakdownEdward Shorter, a professor of psychiatry and the history of medicine, argues for a return to the old-fashioned concept of nervous illness: About half of them are depressed.
Or at least that is the diagnosis that they got when they were put on antidepressants. They go to work but they are unhappy and uncomfortable; they are somewhat anxious; they are tired; they have various physical pains — and they tend to obsess about the whole business.
There is a term for what they have, and it is a good old-fashioned term that has gone out of use. They have nerves or a nervous illness. It is an illness not just of mind or brain, but a disorder of the entire body.
We have a package here of five symptoms—mild depression, some anxiety, fatigue, somatic pains, and obsessive thinking. We have had nervous illness for centuries. When you are too nervous to function But that term has vanished from medicine, although not from the way we speak.
The nervous patients of yesteryear are the depressives of today. That is the bad news. There is a deeper illness that drives depression and the symptoms of mood. We can call this deeper illness something else, or invent a neologism, but we need to get the discussion off depression and onto this deeper disorder in the brain and body.
That is the point. Tyrer, FMedSci, Professor of Community Psychiatry, Imperial College, London  "Nervous breakdown" is a pseudo-medical term to describe a wealth of stress-related feelings and they are often made worse by the belief that there is a real phenomenom called "nervous breakdown".
Classification of mental disorders There are currently two widely established systems that classify mental disorders: Both of these list categories of disorder and provide standardized criteria for diagnosis.
They have deliberately converged their codes in recent revisions so that the manuals are often broadly comparable, although significant differences remain. Other classification schemes may be used in non-western cultures, for example the Chinese Classification of Mental Disordersand other manuals may be used by those of alternative theoretical persuasions, for example the Psychodynamic Diagnostic Manual.
In general, mental disorders are classified separately from neurological disorderslearning disabilities or intellectual disability. Unlike the DSM and ICD, some approaches are not based on identifying distinct categories of disorder using dichotomous symptom profiles intended to separate the abnormal from the normal.
There is significant scientific debate about the relative merits of categorical versus such non-categorical or hybrid schemes, also known as continuum or dimensional models. A spectrum approach may incorporate elements of both.
In the scientific and academic literature on the definition or classification of mental disorder, one extreme argues that it is entirely a matter of value judgements including of what is normal while another proposes that it is or could be entirely objective and scientific including by reference to statistical norms.
Some neurologists argue that classification will only be reliable and valid when based on neurobiological features rather than clinical interview, while others suggest that the differing ideological and practical perspectives need to be better integrated.
Studying comorbidity between disorders have demonstrated two latent unobserved factors or dimensions in the structure of mental disorders that are thought to possibly reflect etiological processes.
These two dimensions reflect a distinction between internalizing disorders, such as mood or anxiety symptoms, and externalizing disorders such as behavioral or substance abuse symptoms. The p factor model supports the internalizing-externalizing distinction, but also supports the formation of a third dimension of thought disorders such as schizophrenia.
List of mental disorders as defined by the DSM and ICD There are many different categories of mental disorder, and many different facets of human behavior and personality that can become disordered. Mood disorder involving unusually intense and sustained sadness, melancholia, or despair is known as major depression also known as unipolar or clinical depression.
Milder but still prolonged depression can be diagnosed as dysthymia.
Bipolar disorder also known as manic depression involves abnormally "high" or pressured mood states, known as mania or hypomaniaalternating with normal or depressed moods. The extent to which unipolar and bipolar mood phenomena represent distinct categories of disorder, or mix and merge along a dimension or spectrum of mood, is subject to some scientific debate.
Psychotic disorders in this domain include schizophreniaand delusional disorder. Schizoaffective disorder is a category used for individuals showing aspects of both schizophrenia and affective disorders.
Schizotypy is a category used for individuals showing some of the characteristics associated with schizophrenia but without meeting cutoff criteria.Jun 27, · The eating disorder category in the DSM-IV includes Anorexia Nervosa, Bulimia Nervosa, and the Eating Disorder Not Otherwise Specified categories.
Peck and Lightsey () note that while the DSM classification symptom is currently the most used system, there has been some debate in the about how to classify people with eating disordered behavior. Adopting a theory of healthy eating is NOT orthorexia.
A theory may be conventional or unconventional, extreme or lax, sensible or totally wacky, but, regardless of the details, followers of the theory do not necessarily have orthorexia.
Bulimia nervosa is a psychological eating disorder, which is characterized by episodes of binge eating followed by purging or taking laxatives. Bulimia became a recognizable eating disorder when it was established in the 's (1). Looking for interesting cause and effect essay topics?
These 90 fresh cause and effect topics will wow your teacher. Anorexia and Bulimia. Anorexia and bulimia are eating disorders that affect millions of people every year all over the world.
These two types of eating disorders can be caused by stress, peer pressure, the media and negative body image resulting in severe health problems or even death.
Mar 14, · Anorexia and Bulimia Anorexia and Bulimia are serious, functional eating disorders. There are many similarities with the two diseases, but the few differences differentiate the two. Mostly occurring in women, these disorders cause a person to look in the mirror and see themselves as percent larger than they really are.