Psychiatry Flashcards
Illusion
A misperception a real stimuli
e.g. see a coat on wall and see a man there / think a crack on a wall is new zealand
(false interpretation of what one sees - optical, auditory, tactile)
- True sensation
- Illusion that the hat was dancing
Hallucination
Perception in the absence of an external stimulus
(A sensory experience that does not exist outside the mind)
- No external experience
Can be in any modability: visual, auditory (2nd and 3rd person), olfactory, gustatory, tactile, proprioceptive
*Hearing voices e.g. “people talking about me”
2nd person = personality disorder
3rd person/running commentary = schizophrenia
Visual = think lewy body / organic
Pseudo-hallucination
An involuntary sensory experience vivid enough to be regarded as a hallucination but recognised by the patient as being unreal
- Hearing voices from ‘inside my head’
Over-valued idea
Belief sustained beyond logic/rason but held with less rigidity than a delusion. Can be talked out of it.
A single abnormal belief that is not delusional or obsessional in nature but preoccupying to the extent of dominating the sufferer’s life
- Exaggerated belief sustained beyond logic
- Anorexic patient thinking they are fat
Delusion
False belief that is firmly maintained in spite of incontrovertible evidence to the contrary.
A false, unshakeable idea or belief which is out of keeping with the patient’s educational, cultural and social background.
It is held with extraordinary conviction and subjective certainty.
Phenomenon outside normal experience.
Knowledge claims, not belief claims
Delusions are held without insight
Persecutory delusion
Outside agency to cause harm
Grandiose delusion
Inflated importance / self-esteem
Delusion of control
A.k.a passivity phenomena. 1st rank symptoms of schizophrenia
Delusional belief that one is no longer in sole control of one’s own body
Delusion of (self-)reference
A neutral event is believed to have special and personal meaning e.g. tv, billboard
Nihilistic delusion
The delusion that things (or everything, including the self) do not exist; a sense that everything is unreal
e.g. bowels rotted, already dead etc.
Delusional misidentification
E.g. Capgras syndrome: that familiar people have been replaced with outwardly identical strangers / imposter syndrome
e.g. Fregoli syndrome: that stranger are ‘really’ familiar people
Hypochondriacal delusion
illness, somatisation
Delusion of guilt
Delusional belief that one has committed a crime or other reprehensible act
Religious delusion
More refers to the content of a delusion, all can contain religious reference
Delusion/syndrome of subjective doubles
The belief that there is a doppelganger or double of themself carrying out independent actions
Difference between primary and secondary delusion
Primary: ununderstandable, occur in schizophrenia
Secondary: understandable, in accordance with some other psychopathological condition
- may be understood in terms of a person’s background, culture or emotional state
Delusional perception
1st rank symptom, in which a person misinterprets a normal perception to have special meaning for them
- A cloud in the sky means he has to save the world
Folie a deaux
Shared delusional belief
- a person living with a deluded person can come to share their belief
Concrete thinking
literal thinking thats focused on the physical world and causes difficulties when dealing with abstract ideas
lack of abstract thinking, normal in childhood, and occuring in adults with organic brain disease and schizophrenia (ASD, psychosis)
Thought alienation
Patients feel that thoughts are no longer in their control
bit of a catch all term, as encompasses broadcast, withdrawal and insertion
Thought insertion
The delusion that certain thoughts are not their own, have been implanted by an outside agency
“alien”
Schneiderian 1st Rank Symptom
Thought withdrawal
The belief that thoughts have been taken out of their mind by an external agency
Schneiderian 1st Rank
Thought broadcasting
The delusion that ones thought are being broadcast out loud so they can be perceived by others
Thought echo
The experience of an auditory hallucination in which the patient hears their thoughts spoken aloud
Either simultaneous with them thinking it or a moment or two afterwards
S1stRS
Thought block
Pt experiences sudden break in the train of thought, leaving a blank
It may be explained as due to thought withdrawal
Loosening of Association
Lack of logical association between succeeding thoughts
–> incoherent speech
hard to follow patients train of thought
Circumstantiality
Talking at great length around the subject but returns to the topic.
Perseveration
repetition of a word, theme or action despite absence or cessation of a stimulus
beyond that point at which it was relevant and appropriate
(Usually associated with organic / frontal disorder / Wernicke’s encephalopathy - Vit B1 Def)
Confabulation
Giving a false account to fill a memory gap (not deliberate / lie) (commonest association Korsakov’s psychosis)
The process of describing plausibly false memories for a period in which pt has amnesia.
- Confident about their memories despite contradictory evidence
- Seen in chronic alcohol abuse + thiamine deficiency (Wernicke-Korsakoff syndrome), and in dementia
Somatic passivity
Delusional belief that one is a passive recipient of bodily sensations from an external agency
“i know the heat in my left toe is coming from outside forces”
1stRS
Made acts, feeling and drives (impulses)
The experience being carried out by the patient is considered as alien / imposed (a made action)
Delusional belief that ones free will has been removed and an external agency is controlling ones actions, feelings or impulses
A form of passivity
S1stRS
Catatonia
Significantly excited or inhibited motor activity (with waxy flexibility or posturing)
Increased resting muscle tone which is not present on active or passive movement (in contrast to rigidity associated with PD and extra-pyramidal side-effects)
- A motor symptom of schizophrenia
Waxy flexibility (a type of catatonia)
the patient’s limbs when moved feel like wax or lead pipe, and remain in the position in which they are left. Found rarely in (catatonic) schizophrenia and structural brain disease
Echolalia (a type of catatonia)
Automatic repetition of words heard.
Echoparaxia (type of catatonia)
- an automatic repetition by the patient of movements made by the examiner.
Logoclonia (type of catatonia)
repetition of the last syllable of a word
Negativism (type of catatonia)
motiveless resistance to movement
Palilalia (type of catatonia)
repetition of a word over and again with increasing frequency.
Verbigeration (type of catatonia)
repetition of one or several sentences or strings of fragmented words, often in a rather monotonous tone.
4 categories of first rank symptoms
- Auditory hallucinations
- Delusions of thought interference
- Delusions of control
- Delusional perception
What does passivity include? (5 things)
Somatic passivity Made acts, feelings & drives (impulses) Catatonia (multiple terms) Stupor Psychomotor retardation
Stupor
Loss of activity with no response to stimuli; may mark a progression of motor retardation
Absence of movement and mutism where there is no impairment of consciousness
What is organic stupor caused by?
Lesions in the midbrain (the ‘locked-in’ syndrome)
Psychomotor retardation
Slowing of thoughts and movements
Decreased spontaneous movement and slowness in instigating and completing voluntary movement
(Usually associated with subjective/personal sense of actions being more of an effort and subjective retardation of thought)
Depression, psychotropics, PD
Clouding of consciousness
Conscious level between full consciousness and coma
Covers a range of increasingly severe loss of function with drowsiness and impairment of concentration and perception
Mood symptoms (4)
- Flight of ideas
- Pressure of speech
- Anhedonia
- Apathy
Expression symptoms (5)
- Concrete thinking
- Loosening of association
- Circumstantiality
- Perseveration
- Confabulation
Perceptual symptoms (6)
- Illusion
- Hallucination
- Pseudo-hallucination
- Over-valued idea
- Delusion
- Delusional perception
Flight of ideas
Rapid skipping from one thought to a distantly related ideas (just about follow)
Subjective experience of one’s thoughts being more rapid than normal, with each thought having a greater range of consequent thoughts than normal
Meaningful connections (though perhaps distantly related) are maintained
Pressure of speech
A speech pattern consequent upon pressure of thought.
Speech is rapid, hard to interpret, and with increasing severity of illness, connection between ideas is harder to follow
Suggestive of mania
Adhedonia
The feeling of absent or significantly diminished enjoyment of previously pleasurable activities
- Core symptom of depressive illness
- Also a -ve symptom of schizophrenia
Apathy
Lack of interest, enthusiasm, or concern
Presentation symptoms
- Incongruity of affect
- Blunting of affect
- Belle indifference
- Depersonalisation
- Derealisation
- Dissociation
- Conversion
Incongruity of affect
Objective impression that the displayed affect is not consistent with the current thoughts or actions
e. g. laughing while discussing trauma
- Schizophrenia
Blunting of affect
Objective loss of the normal degree of emotional sensitivity and sense of the appropriate emotional response to events (w/o evidence of depression or psychomotor retardation)
A -ve symptom of schizophrenia
Belle Indifference
An apparent lack of concern at symptoms / disability
A surprising lack of concern for, or denial of, apparently severe functional disability
- Conversion disorder
- Hysteria
- Medical illness: [ CVA ]
Depersonalisation
Thoughts and feelings do not seem to belong to oneself
An unpleasant subjective experience in which the patient feels as if they have become ‘unreal’.
Associated with a sense of detachment from one’s own body
Non-specific symptom and also occurs in normal people
Derealisation
Feeling as if you are looking at yourself from the outside
An unpleasant subjective experience where the patient feels as if the world has become unreal
- Non-specific symptom of a number of disorders
Dissociation
The separation of unpleasant emotions and memories from consciousness awareness with subsequent disruption to the normal integrated function of consciousness and memory
Conversion
The development of features suggestive of physical illness but which are attributed to psychiatric illness or emotional disturbance rather than organic pathology
- unconscious mechanism of symptom formation
- operates in conversion hysteria
Difference between dissociation and conversion
In conversion, the emotion abnormality produces physical symptoms, while in dissociation there is impairment of mental functions e.g. in disturbance amnesia
Mannerism
Abnormal and occasionally bizarre performance of a voluntary, goal-directed activity
(problem is frequency)
e. g. conspicuously dramatic manner of walking
- alone, not an example of a mental health problem
Stereotyped behaviour
Persistent repetition of a movement, not goal directed (problem is movement)
A repetitive and bizarre movement which is not goal-directed (in contrast to mannerism)
- Action may have delusional significance tothe patient
- Seen in schizophrenia
Obsession
An unwanted recurrent thought (experienced as intrusive)
An idea, image, or impulse which is recognised by the patient as their own, but which is experienced as repetitive, intrusive and distressing
- Return of the obsession can be resisted for some time at the expense of mounting anxiety
- In some situations compulsions can relieve the anxiety
Compulsion
An irresistable urge to behave in a certain way
A behaviour or action which is recognised by the patient as unnecessary and purposeless but which they cannot resist performing repeatedly (e.g. handwashing)
- The drive to perform the action is recognised as their own
- Associated with a subjective sense of need to perform the act, often in order to avoid the occurence of an adverse event
Akathisia
A subjective sense of uncomfortable desire to move, relieved by repeated movement of the affected park (usually the legs)
- A SE of treatment with neuroleptic drugs
Gender dysphoria
A persistent aversion toward some or all of those physical characteristics or social roles that connote ones own biological sex
Gender identity
a persons inner conviction of being male or female
Transvestism
Sexual pleasure derived from dressing or masquerading in the clothing of the opposite sex, with the strong with to appear as a member of the opposite sex
Phobia
A particular stimulus, event, or situation which arouses anxiety in an indv and is therefore associated with avoidance
Projection
A mechanism in which what is emotionally unacceptable in the self is unconsciously rejected + attributed (projected) to others
Transference
The redirection to a substitute, usually a therapist, of emotions that were originally felt in childhood
Defined concept
Classes of concepts (delusions)
Concept systems
Sets of related concepts (schizophrenia)
Phenomenology
description of signs and symptoms
Formal thought disorder
Refers to all pathological disturbances in the form of thought
Affective (mood) disorders
Depression
Bipolar disorder
(Cyclothymia)
Core symptoms of depression
Low mood
Anergia (reduced energy levels)
Anhedonia (lack of pleasure)
Whats the leading cause of maternal death, postpartum?
Suicide
Criteria for mild depression?
Core features plus 2-3 others (for at least 2 weeks)
Criteria for moderate depression?
Core features + 4 others + functioning affected
Criteria for severe depression without psychotic symptoms?
Several symptoms, suicidal, marked loss of functioning
Criteria for severe depression with psychotic symptoms?
Typically mood congruent (nihilistic and guilty delusions, derogatory voices)
Bipolar I
Mania + depression
(sometimes only mania)
At least 2 epidodes in which the pts mood and activity levels are significantly distured
- Persistent incrased energy & sexual drive
- Decreased nede for sleep
- Increased talking speed and racing thoughts
- Grandiose beliefs / inflated self esteem
- Psychotic overestimation re identity / caapbility
- Inappropriate elation or euphoria
- Irritability / mixed picture
- ** FUNCTIONAL IMPAIRMENT / RISK LIKELY
Bipolar II
More episodes of depression, only mild hypomania
Lesser degree of mania that does not affect functioning to the same degree
No psychotic symptoms
Rapid cycling bipolar
episodes only last a few hours or days
Cyclothymia bipolar
bipolar disorder not otherwise specified
How long does hypomania last for? what is it
4 + days
How long does mania last for?
> 1 week
What % of women get PND after childbirth?
13%
List 6 psychoses
- Schizophrenia
- Delusion disorder
- Schizotypal disorder
- Depressive psychosis
- Manic psychosis
- Organic psychosis
Lifetime risk Schizophrenia
1%
Schizophrenia onset
Typically 2nd - 3rd decade (10-29) but 2nd (smaller) peak incidence in late middle age
How many years earlier do pts with schizophrenia die than general population?
25 years
Increased risk of infection, from CVS disease, resp, infection
1st Rank Symptoms (schizophrenia)
a. Thought alienation (insertion, w/d, broadcast)
b. Passivity phenomena
c. 3rd person auditory hallucinations
- arguing or conversing, or commenting on patient’s actions
d. Delusional perception (actually a delusion which has perceptual origin)
Secondary symptoms (schizophrenia)
a. Delusions
b. 2nd person auditory hallucinations
c. Hallucinations in any other modality.
d. Thought disorder
e. Negative symptoms
Positive symptoms (schizophrenia)
- Hallucinations
- Delusions
- Passivity phenomena
- Thought alienation
- Lack of insight
- Disturbance in mood
Respond well to medications