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Flat affect
Flat affect An affect type that indicates the absence of signs of affective expression.
RELATED TERMS--------------------------------------
Affect
This word is used to described observable behavior that represents the expression of a subjectively experienced feeling state (emotion). Common examples of affect are sadness, fear, joy, and anger. The normal range of expressed affect varies considerably between different cultures and even within the same culture. Types of affect include: euthymic, irritable, constricted; blunted; flat; inappropriate, and labile.
SIMILAR TERMS--------------------------------------
Flat condyloma
A manifestation of the secondary stage of syphilis that takes the form of broad flat wartlike growths in moist creased areas, as around the anus and external genitalia. Also called condyloma latum.
Flat feet
A condition of the feet in which the arch of the instep is flattened and the entire sole touches the ground. All babies have flat feet because their arches are not yet built up (and their feet tend to be plump). This condition may persist into adulthood, or an arch may form as the child grows. Flat feet can also be acquired, as in jobs that require a great deal of walking and carrying heavy objects. People with flat feet sometimes experience clumsiness and fatigue from prolonged walking or running. Wearing shoes with built-in arch supports can help. People with weakness in the ankle as well as flat feet may find that their feet turn in or roll toward the middle, damaging shoes and causing discomfort. Shoes with both built-in arch supports and rigid counters (side supports) are helpful. Exercises may also be useful in reducing discomfort.
Flatfeet
A condition of the feet in which the arch of the instep is flattened and the entire sole touches the ground. All babies have flat feet because their arches are not yet built up (and their feet tend to be plump). This condition may persist into adulthood, or an arch may form as the child grows. Flat feet can also be acquired, as in jobs that require a great deal of walking and carrying heavy objects. People with flat feet sometimes experience clumsiness and fatigue from prolonged walking or running. Wearing shoes with built-in arch supports can help. People with weakness in the ankle as well as flat feet may find that their feet turn in or roll toward the middle, damaging shoes and causing discomfort. Shoes with both built-in arch supports and rigid counters (side supports) are helpful. Exercises may also be useful in reducing discomfort.
Flatfoot
A condition in which the normal arch of the foot is absent.
Flatulence
Excessive gas in the stomach or intestine.
Flatulent
Pertaining to flatulence, the generation of excess gas in the intestinal tract. From the Latin flastus, meaning blowing, as a breeze or snort.
Flatus
Gas in the intestinal tract or passed through the anus. The intestinal gases are hydrogen, nitrogen, carbon dioxide, and methane, all of which are odorless. The unpleasant smell of flatus is the result of trace gases such as indole, skatole, and, most commonly, hydrogen sulfide.
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Full-Wave rectification
A signal which shows a positive response to both the positive and negative parts of a sinusiod (i.e. frequency doubling). Many complex cells show this to contrast reversing patterns.
Fibrin
A filamentous protein formed from the precursor fibrinogen by the enzyme thrombin.
Flocculent
Having downy or flaky shreds.
Friable
Breaks apart or crumbles easily.
Flashback
A recurrence of a memory, feeling, or perceptual experience from the past.
Flat affect
Flight of ideas
A nearly continuous flow of accelerated speech with abrupt changes from topic to topic that are usually based on understandable associations, distracting stimuli, or plays on words. When severe, speech may be disorganized and incoherent.
Flooding
Implosion. A behavior therapy procedure for phobias and other problems involving maladaptive anxiety, in which anxiety producers are presented in intense forms, either in imagination or in real life. The presentations, which act as desensitizers, are continued until the stimuli no longer produce disabling anxiety.
Folie à deux
A shared psychotic disorder between 2 people, usually people who are mutually dependent upon each other.
Formal thought disorder
An inexact term referring to a disturbance in the form of thinking rather than to abnormality of content. See blocking; loosening of associations; poverty of speech.
Formication
The tactile hallucination or illusion that insects are crawling on the body or under the skin.
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