Definitions Flashcards

1
Q

What is Dysthymia?

A

A chronic state of low mood, usually with an insidious onset and lasting at least two years.

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2
Q

What is Euthymia?

A

Happy, contented mood

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3
Q

What is Mood?

A

A word used to describe sustained and pervasive emotion.

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4
Q

What is Affect?

A

Short lived observable pattern of behaviour that expresses the subjective emotional state of an individual. It is subject to variation over brief periods of time.

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5
Q

What is Alexithymia?

A

An inability to verbally express one’s emotions

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6
Q

What is Anhedonia?

A

An inability to enjoy things that you previously enjoyed and a lack of ability to experience pleasure.

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7
Q

What is psychomotor retardation?

A

The subject sits abnormally still or walks abnormally slowly or takes a long time to initiate movement.

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8
Q

What is ‘flight of ideas’?

A

This is an extreme example of thought disorder where thought come really quickly. There is relative logical progression to the thoughts however.

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9
Q

What is ‘pressure of speech’?

A

The subject talks too much. There seems to be undue pressure to get the words out. He speaks too fast, his voice is too loud and unnecessary words are added.

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10
Q

What is depersonalisation?

A

A peculiar change in the awareness of self, in which the individual feels as if he/she is unreal. (outside of your body watching yourself)

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11
Q

What is derealisation?

A

The subject experiences his surroundings as unreal. An office or bus or a street seems like a stage set with actors, rather then real people going about their business. Everything seems colourless artificial and dead. The subject retains a measure of understanding and knows the condition is abnormal.

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12
Q

What is an illusion?

A

It is a false perception of a REAL STIMULUS. (VISUAL)..very common/ misinterpretation of a real stimulus.

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13
Q

Name and describe the three types of illusions?

A

Affect illusions-here the person’s emotional state leads to misperceptions like when your scared and you see a shadow of a man.
Completion illusions- due to inattention when an incomplete object is perceived as complete.
Pareidolia illusions- perceives formed objects from ambiguous stimuli/ like seeing a face in the clouds

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14
Q

What is a psuedo-hallucination?

A

A perceptual experience which is figurative, not concretely real and occurs in the inner subjective space, not the external subjective space. This is just auditory…there is no stimulus just perception.

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15
Q

What is an Hallucination?

A

A perception which occurs in the absence of an object. Perceptional experience is false and it is indistinguishable from real perception.

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16
Q

What is ‘thought echo’?

A

This is when your own thoughts are repeated/echoed with very little time from the original thought.

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17
Q

What is ‘thought insertion’?

A

The subject experiences thoughts which are not his own intruding into his mind. In the most typical case, the alien thoughts are said to have been inserted into the mind from outside, by means of radar telepathy or some other means.

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18
Q

What is ‘thought withdrawal’?

A

This is when the subject says that his thoughts have been removed from his head by an external agency so that he has no thoughts (often able to describe the sensation of the thoughts leaving).

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19
Q

What is ‘thought broadcast’?

A

This is when the subject experiences thoughts being shared with others often through the radio/TV.

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20
Q

What are delusions of control/passivity?

A

Delusions that ones thoughts, feelings or actions are being replaced by those of an external agency.

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21
Q

What is a ‘delusional perception’?

A

A type of primary delusion. This is present when the patient receives a normal perception (like traffic light change) and then interprets it with a delusional meaning and has immense personal meaning. (like i am the king of mars). So the stimulus is real but the perception is false/delusional disbelief.

22
Q

What are negative symptoms?

A

These are a cluster of symptoms that occur together in chronic schizophrenia.

23
Q

What is ‘clouding of consciousness’?

A

This represents a step down from the normal alertness. There is deterioration in thinking, attention, perception and memory and usually drowsiness and reduced awareness of environment. (seen in delirium)

24
Q

What is lability?

A

Mood is rapidly changeable often without any obvious cause.

25
Q

What is a delusion?

A

This is a fixed firmly held belief that is held with unshakable conviction despite overwhelming evidence to the contrary and cannot be explained by the subject’s cultural or religious background.

26
Q

What is a nihilistic delusion?

A

This is a delusion of extreme negativity, no longer existing, about to die or even being dead, or about to experience a terrible doom.

27
Q

What is a grandiose delusion?

A

Delusion of being of a special status or significance of having a special power or a special mission or purpose.

28
Q

What is aphasia?

A

No speech, inability to produce words orally

29
Q

What is concrete thinking?

A

Inability to understand abstract ideas or concepts, literalness of understanding or expression. (autism)

30
Q

What is ‘ideas of reference’?

A

Belief that events or occurrences are directly related to the patient. (watching the news-related to them)

31
Q

What is ‘loosening of associations’?

A

Thoughts that move one to the next with no logical progression.

32
Q

What are neoligisms?

A

Made up words

33
Q

What is perseveration?

A

Persistent repetition of the same thoughts or ideas. Response to the first stimuli given inappropriately to subsequent different stimuli.

34
Q

Which condition comprises the combination of nihilistic delusions and/or hypochondriacal delusions in depressive psychosis?

A

Cotard’s syndrome

35
Q

What is a somatic delusion?

A

Delusion about the body, having a medical condition or deformity.

36
Q

What is ‘thought blocking’?

A

Sudden loss of train of thought, or mind just going blank.

37
Q

What is ‘dereistic thinking’?

A

Idiosyncratic thinking that is not being falsified by reality, eg. daydreaming.

38
Q

What is an ‘obsessional thought’?

A

A recurrent idea, image or impulse that is perceived as being senseless, this is unsuccessfully resisted, and that results in marked anxiety and distress.

39
Q

What is rumination?

A

repetitive and pointless internal debates

40
Q

What is folie a deux?

A

One psychotic person communicates his delusion to another person so that he too becomes psychotic.

41
Q

What is magical thinking?

A

An irrational belief that certain outcomes are connected to certain thoughts, words of actions ‘if I hold me nose, someone will die’.

42
Q

What is the difference between a delusion and an over-valued idea?

A

An over-valued idea is a firmly held belief which comes to dominate thinking and behaviour but it is not fixed like a delusion.

43
Q

What is clang of association?

A

This is when flight of ideas (with logical progression) rhyme?

44
Q

What is a partition delusion?

A

A partition delusion is the belief that people, objects or radiation can pass through what would normally constitute a barrier to such passage. These delusions have been reported to be common in late paraphrenia and late-onset schizophrenia.

45
Q

What is an automatism?

A

the performance of actions without conscious thought or intention.
“diabetic patients who commit crimes while hypoglycaemic may be able to plead automatism”. Common in temporal lobe epilepsy. The patient is unaware of what they are doing and doesn’t remember them afterwards.

46
Q

What is pseudo dementia?

A

Depressive Pseudodementia is a syndrome seen in older people in which they exhibit symptoms consistent with dementia but the cause is actually depression.

47
Q

What is a pseudo seizure?

A

Psychogenic nonepileptic seizures (PNES), or pseudoseizures are paroxysmal episodes that resemble and are often misdiagnosed as epileptic seizures; however, PNES are psychological (i.e., emotional, stress-related) in origin. Paroxysmal nonepileptic episodes can be either organic or psychogenic

48
Q

What is the most specific frontal lobe sign to do with injury here etc?

A

Perseveration

49
Q

What is a sub cortical dementia?

A

Vascular, Huntingtons’s etc.

50
Q

Which clinical feature is most indicative of subcortical dementia?

A

Inattention ( this is preserved in the early stages of cortical dementia e.g. alzheimers etc).

51
Q

Which hallucinations tend to occur in delirium?

A

Visual hallucinations

52
Q

What is derailment?

A

Most only a vague connection between topics. It can be considered to lie on the more extreme end of the spectrum from flight of ideas where there is a more clear cut yet rapid leap from one topic to another.