A person with only one copy of a defective gene often does not develop the associated disorder due to the presence of a normal copy of the gene, which can provide sufficient functional protein or activity to maintain normal physiological processes. This phenomenon is known as "haplosufficiency," where one functional allele compensates for the defective one. Additionally, many genetic disorders are recessive, meaning that both copies of the gene must be defective for the disorder to manifest.
Entropy is a measure of the amount of disorder or randomness in a system. It tends to increase over time, resulting in systems becoming more disordered or less organized. It is often associated with the concept of the arrow of time, as systems evolve from a state of lower to higher entropy.
Down syndrome (trisomy 21) is a disorder associated with an error in the number of chromosomes present. Other examples of disorders associated with an error in the number of chromosomes are Trisomy 18 (Edwards Syndrome), Trisomy 13 (Patau Syndrome), Triple X syndrome, and Klinefelter Syndrome.
A person who has no shadow is sometimes referred to as a "shadowless person" and is often associated with supernatural or mythical beings in folklore and fiction. It symbolizes a lack of connection to the physical world or a mysterious, otherworldly presence.
A person who is scared of germs and bacteria is often referred to as having mysophobia or germophobia. They may also be described as having an obsessive-compulsive disorder (OCD) related to cleanliness or hygiene.
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Attention Deficit Disorder (ADD) has many symptoms associated with it. Normally, the person has a hard time concentrating or sitting still. They can often act out, and often are unable to focus on tasks or even conversations.
SPOILER to the movie if you haven't seen it: Schizophrenia is often associated with hearing voices in the head. It has commonly (though incorrectly) been associated with multiple personality disorder. In fight club, the narrator has a multiple personality disorder such that as one person he doesn't remember what he does as a second person.
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Yep, it's called Beargryllium Disorder. Often times it is also associated with drinking your own urine.
Phobias can be diagnosed as a disorder themselves, but disorders such as Panic Disorder, Generalized Anxiety Disorder, and PTSD are all often associated with phobias.
A postural disorder is one that affects the shape of the spine of a person. This disorder is often harmful or annoying to the host.
A postural disorder is one that affects the shape of the spine of a person. This disorder is often harmful or annoying to the host.
Although there is no cure for the disorder, anticonvulsants are often effective in controlling the seizures associated with epilepsy.
Seasonal affective disorder (SAD) is a form of depression most often associated with the lack of daylight. Although seasonal affective disorder is most common when light is low, it may occur in the spring, and it is then often called reverse SAD.
A person with no remorse is often described as unrepentant or remorseless. Such individuals may lack empathy and show little to no guilt for their actions, regardless of the consequences. In psychological contexts, they might be associated with traits of antisocial personality disorder or psychopathy.
The suffix "-mania" means madness or frenzy. It is the opposite of depression. It refers to a mood disorder often associated with bipolar disorder (aka manic-depressive disorder). Examples of its use include "pyromania" which is an impulsive control disorder where the person deliberately sets fires to relieve tension, obtain a euphoric state or get relief from the state he is in.
Many psychological probelms can be associated with anorexia. The three most common are depression, OCD, and BDD (Body Dismorphic Disorder).