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There are 20 different meanings of Scan.

Scan Disambiguation
Cognition
4 products, approx. 323 pages
Section 7 measures cognitive functioning through direct questions about concentration, loss of interests or drive, and being overwhelmed by everyday tasks.
OCD
10 products, approx. 54 pages
Section 5 explores, by direct questions, whether the respondent experiences behaviour characteristic of OCD.
Alcoholic beverage
6 products, approx. 53 pages
Section 11 measures, through direct questions, amounts of alcoholic beverages consumed and social, legal, physical, and other problems related to alcohol use.
Psychosis
2 products, approx. 26 pages
This section is fully rated by the interviewer after the interview, and deals with aspects of duration and course of schizophrenia and psychosis and other symptoms rated in part 2 of the SCAN interview.
Dementia
3 products, approx. 21 pages
This section consists of a series of tests to be conducted by the respondent to establish the presence of cognitive impairment such as dementia. The majority of the section consists of a Mini-Mental State Examination (MMSE). This includes testing the respondents' ability to know where they are, what the date and year is, to remember words, to follow instructions, attention, and concentration.
Thought disorder
1 product, approx. 4 pages
Section 18 measures the existence and type of thought disorders. These include the respondents' thoughts being read, loud (i.e. having voice-like sound), echoing, being broadcast, or even stolen. Experiences of thought being inserted into the respondents' minds are also rated here, as is the experience of thought stopping, involuntarily, as suddenly as a TV becoming unplugged. Alternate lines of thought, that don't belong to the respondent but that comment on the respondentss thoughts, are rated as well. So is the experience of external forces (e.g. other people) controlling the respondents' will, voice, handwriting, actions, or affect.
Libido
1 product, approx. 4 pages
Section 8 asks direct questions about weight and weight gain / loss, apetite, sleep patterns, and libido.
Item
1 product, approx. 1 pages
The entire SCAN interview consists of 1,872 items, spread out over 28 sections. Most patients, however, will only need parts of the interview, and it is assessed in the beginning of each section if the section is actually relevant. The sections are as follows:
SCAN or Schedules for Clinical Assessment in Neuropsychiatry is a set of tools created by WHO aimed at diagnosing and measuring mental illness that may occur in adult life. It is not constructed explicitly for use with eiher ICD-10 or DSM-IV but can be used for both systems. The SCAN system was originally called PSE, or Present State Examination, but since version 10 (PSE-10), the commonly accepted name has been SCAN. The current version of SCAN is 2.1.
In section 1 (the second section), the interviewer starts to ask the respondent or patient about what kinds of symptoms has been experienced. This section is not used in diagnosis, but it is intended as a help for the interviewer to determine which items in the interview to emphasize on. As such, it is a screening tool for part 1 of the interview (sections 2 to 13).
Section 2 is primarily centered around somatoform and dissociative symptoms and is rated both by using direct questions and by observing the patient.
Section 4 measures the degree and physiological reactions associated with potential anxiety attacks and phobias, including behaviour in which situations are avoided due to phobias. Fear of dying and generalized anxiety disorder are also measured.
Section 6 measures, by direct questions, whether the respondent is depressed, by items relating to feeling low, uncontrolled crying, anhedonia, loss of feeling, suicidal tendencies, social withdrawal, insomnia or hypersomnia, dysthymia, etc.
Section 9 aims to diagnose eating disorders such as bulimia and anorexia nervosa.
Section 10 measures whether the respondent experiences euphoria or abnormally elevated mood ((mania), which can be used in diagnosing, for instance, bipolar disorders.
Section 12 measures, again through direct questions, the same as section 11, only relating to prescription drugs, illicit drugs, and nicotine.
Section 16 measures, through direct questions, whether non-hallucinatory perceptual disorders are present. These may present themselves by the respondents stating to have experiences of their surroundings being distorted, or unreal (derealization), or that they themselves are not real, but more like characters in a play (depersonalization). Experiences such as believing that one's reflection is unrecognizable, or that one's appearance has been changed, are also rated here.
In this section, the respondent is asked about the experience of hallucinations, be they visual, auditory (verbal or non-verbal), olfactory, tactile, or sexual.
Delusions of being spied upon, and other paranoid delusions, are rated by direct questions in this section. Other types of delusions covered in this section include others not being who they claim to be, that people close to the respondent have been replaced with lookalikes, and delusions of conspiracy. Furthermore, hypochondrial delusions, and grandiose delusions, etc., are rated by the interviewer.
This section is rated by the interviewer based on observing the respondents, or consulting their medical charts. A variety of items are assessed, including underactivity, stupor, distractibility, agitation, ambitendence, echopraxia, embarrassing or bizarre behavior, histrionic behavior, self injury, hoarding of objects, and a variety of negative symptoms.



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