Adobe Systems Psychopathology Seminars from Psychiatry - VLA Prof. MUDr. Tomáš Kašpárek Ph.D. Adobe Systems Outline ̶Introduction – why, what, how ̶Domains of psychopathology ̶ Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Aim – learning outcomes ̶ ̶To learn the vocabulary – symptoms of mental illness ̶To learn the concepts of discrete psychological functions ̶To learn the description of major and most frequent symptoms ̶ ̶Next lecture: how to examine a patient ̶ Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Norm and pathology ̶Personal ̶Subjective ego-dystonic experience ̶Significant change in habitual experience and behaviour •Does not need to be realised – recognized by peers ̶Cultural ̶Conformist and non-conformist behaviour •Usual behaviour and experience corresponding to the culture and individual’s position within it •Non-conformity is not a sign of psychopathology ̶Typical clinical pictures = overt signs of mental illness ̶Hallucinations, catatonia… ̶Always search for the reason of behaviour: “Why”? Prof. MUDr. Tomáš Kašpárek, Ph.D. Výraz „ego-dystonic experience“ („netolerované prožívání“) mi poradil známý, psycholog, prosím přesto autora o ověření Adobe Systems Domains of psychopathology ̶Personality ̶Affect, emotions ̶Cognition ̶Attention, memory and learning, perception, thinking and decision making ̶Behavior Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Perception Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Perception ̶Illusions - distortions ̶Hallucinations – absence of stimuli ̶Sensory modality Auditory: 3rd person perspective, commenting, imperative, contrary Visual: simple (flashes…), complex scenes, microzoopsia… Tactile, Gustatory, Olfactory, Movements ̶Intrapsychic hallucinations (see delusions of control) Thought broadcasting, thought imputation/amputation, thought echo’s ̶Location/source of hallucinations – inadequate (from a teeth, toe…) Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Abnormal autonomy Auditory hallucinations associated with the activation of T-P and F cortex Hoffman et al., 2007 Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Abnormal coordination of sensorimotor cortex ̶Corollary discharge: ̶a copy of the motor plan sent to the sensory cortex (“efference copy”) ̶the ensuing perception pattern recognized as resulting from a self-generated action …we are not able to tickle ourselves... ̶ ̶Absence of the “efference copy” in the sensory cortex = perception of exogenous origin ̶ ̶Schizophrenia: inner voice = hallucinations Ford et al., 2001; Ford and Mathalon, 2004; 2005 Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Prof. MUDr. Tomáš Kašpárek, Ph.D. Thought disorders Adobe Systems Quantitative disturbances: Speed ̶Decrease ̶slowing of the flow of associations, slowed and diminished verbal production (bradypsychism) ̶blocking of thoughts - cessation of the flow of associations ( patient stops the verbal production without any recognisable impulse from surroundings) ̶Increase ̶flight of thoughts: excessive speed of thinking manifested as extreme speed in speech (= logorrhoea) ̶ ̶ Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Quantitative disturbances: Structure ̶perseverative thinking ̶involuntary persistence of response to some question or topic, verbigeration - a meaningless repetition of specific word or phrase ̶circumstantiality ̶indirect speech that is delayed in a reaching the point, characterised by an overinclusion of details ̶tangentiality ̶patient never gets from desired point to desired goal ̶illogical (paralogical) thinking ̶thinking containing erroneaous conclusions or internal contradiction ̶neologism ̶new word created by the patient often by combining syllables or other words ̶incoherent thinking ̶thought that is not understandable ̶word salad: incoherent mixture of words and phrases Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Impairement of associations/abstract thinking - semanting priming ̶loosenning of associations: tangentiality, paralogic thoughts ̶absence of abstraction - hyperconcretism ̶Semantic priming: automatic (implicit) memory systém ̶tunes your associations based on current content of mind ̶network of representations (words, meanings) ̶optimal performance = focused activation around the network node ̶ Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems http://upload.wikimedia.org/wikiversity/en/8/81/Spreadingactivation.png File:This is a picture showing the processes involved in semantic priming experiments.jpg Lexical decision task DA in cortical networks: SNR ...focus of activation in the network Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Semantic priming and Formal Thought Disorder ̶Meta-analysis of 36 studies (Pomarol-Clotet et al., 2008) ̶SCH vs. NC d = 0,7 (95% CI -0,02 – 0,16) ̶FTD vs. NC d = 0,38 (95% CI 0,21 – 0,55) ̶ = increased priming in FTD – fast response to distant words = more extensive network activation = loosening of associations Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Qualitative disturbances: content of thoughts, believes Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Delusions = False beliefs ̶inadequate/bizzare content ̶based on incorrect inference about external reality ̶not consistent with patient‘ s intelligence and cultural background ̶cannot be corrected by reasoning ̶influence on behaviour ̶Formation (development) ̶Delusionoal mood – feeling that something is wrong, different, unreal ̶Delusional perception – things have special meaning, perceived as significant ̶Making sense out of it = ”AHA”, delusion formation Prof. MUDr. Tomáš Kašpárek, Ph.D. Cortex D1 hypoactivity Limbic system D2/D3 hyperactivity DA DA VTA VTA Basal DA pathology in SCH Cortex Limbic system Glu Glu GABA DA DA VTA VTA DA system regulation Cortex Limbic system Glu Glu GABA DA DA VTA VTA SCH – DA system dysregulation Cortex Limbic system Glu Glu GABA DA DA VTA VTA STRESS AMPHETAMINE Why does psychosis develop? Adobe Systems Mesolimbic DA hyperactivity = psychosis ̶Mesolimbic DA system signals the importance (salience) of a stimulus ̶i.e., which perceptions, thoughts… are important and which of them are not; ̶which ones deserve attention (“attribution of salience“) ̶automatic process: you have no control over it, you cannot recollect willingly - insight ̶experiential quality: ‘you know it by heart’ ̶Dysregulation in SCH – inadequate attribution of importance to neutral stimuli ̶Delusions = explanation of abnormal significance Kapur 2003 Prof. MUDr. Tomáš Kašpárek, Ph.D. D2R blockade = antipsychotic DA dysregulation Incorrect attribution of significance Abnormal significance strengthened by repetition PSYCHOSIS Blockade of D2 hyperactivity Preventing the incorrect attribution of significance Gradual weakening of the incorrect significance Modified according to Kapur 2003 Adobe Systems Melancholic delusions (depressive) ̶delusion of self accusation ̶false interpretation of real past event resulting in feeling of guilt ̶hypochondriac delusion ̶false belief of having a fatal physical illness ̶nihilistic delusions ̶false feeling that self, others or the world is non-existent or ending ̶delusions of failure ̶false belief that one is unable to do anything useful ̶delusion of property (ruin) ̶false belief that one lost all property Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Delusions of grandeur (manic) ̶delusion of importance ̶exaggerated conception of one‘s importance ̶delusion of power, extrapotence ̶exaggerated conception of one‘s abilities/possibilities ̶delusion of identity ̶false belief of being the offspring of member of an important family Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Paranoid Delusions ̶based on ideas of reference (false ideas that behaviour of others refers to a patient): ̶delusion of persecution ̶false belief that one is being persecuted ̶delusion of infidelity ̶false belief that one‘s lover is unfaithful ̶erotomanic delusion ̶false belief, that someone is deeply in love with them Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Delusions of control = false feeling that one‘s will, thoughts, feelings, or movements are controlled by another agent ̶thought withdrawal ̶false belief that one‘s thought are being removed from one‘s mind by other people of forces ̶thought insertion ̶false belief that thought are being implanted in one‘s mind by other people or force ̶thought broadcasting ̶false belief that one‘s thought can be heard by others ̶thought control ̶false belief that one‘s thoughts are being controlled by other people of forces ̶ Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Obsession ̶persistence of an irresistible thought, repetitive thought ̶ego-dystonic ̶stereotypical, monotonous ̶cannot be eliminated from consciousness by will ̶associated with anxiety, interferes with directed behavior, attention ̶ vs. preoccupation of thought: certain idea is in the centre of thinking, is coming back, usually associated with a strong affective tone (date, money, success…) ̶ Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Function of the brain in OCD Meta-analysis of fMRI studies (Menzies et al., 2008) Hyperfunction of OFC (BA 10, 47), AC (BA 32), the motor area (BA6), PostCing (BA 30), PreCun (BA7), OC, NcCaud, Thal Hypofunction of OFC (BA 47), AC (BA 32), Ins, PFC (BA44), NcCaud, Putamen, HIP, CRBL OCD_hyperfce.jpg Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Functional implication ̶OFC hyperactivity ̶the OFC encodes the representations of values (positive, negative; representations as well as operations) ̶cognitive styles (“evaluation”) ̶inflated perception of responsibility ̶overestimation of danger ̶Treatment (SSRI, BT) = decrease in ↑ in the OFC, AC, NcCaud, Thal (Swedo et al., 1992; Schwartz et al., 1996) = goals of NCH and DBS in patients resistant to treatment ̶cingulotomy (anterior), capsulotomy (anterior limb), subcaudate tractotomy, limbic leucotomy (cingulotomy + subcaud. tractotomy) ̶DBS OCD = chron. stimulation of ant. limb of int. capsule •ca 60% of patients resistant to conventional treatment respond to DBS! (Greenberg et al., 2008) Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Other disturbances of content of thoughts ̶overvalued idea: ̶unreasonable, sustained false belief maintained less firmly than a delusion ̶poverty of content: ̶thought that gives little information because of vagueness, empty repetitions, or obscure phrases ̶symbolic and magical thinking ̶real objects have other, symbolic meaning, in magical thinking words, situations, action have special power and meaning ̶autistic (dereistic) thinking ̶preoccupation with inner, private world Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Memory Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems „Life cycle“ of a memory trace ̶Immediate memory ̶information stored for 15-20s ̶Short-term memory ̶consolidation of the memory trace – several minutes to 2 days ̶medial temporal structures ̶Long-term memory ̶formed trace ̶large cortical areas Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems „Quantitative“ dysfunctions ̶Amnesia: short/long-term memory impairment in a state of normal consciousness ̶anterograde: failure to form new information ̶retrograde: failure to recall old information organic (head trauma, tumor, surgery etc.) dissociative amnesia: patchy or selective - inability to recall previously learned information with normal functioning in the present (normal learning) ̶Hypomnesia ̶Hypermnesia: unusually vivid memory ̶mania, posttraumatic stress disorder (intrusive memories), obsessive or paranoid personality traits Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Imaging repressed memories ̶37-year-old female patient with conversion paralysis ̶premature birth with normal development ̶dysfunctional family, from 4 years children’s homes, reports sexual abuse ̶problem behaviour in adolescence, self-mutilation, TS ̶numerous unqualified jobs ̶sudden development - a month after her daughter’s TS, immediately after her boyfriend’s announcement he was leaving ̶“while we talked, something clicked in my head” and she collapsed, did not communicate for several minutes ̶she woke up with right-sided paresis and anaesthesia - negative neurological + imaging examination Kanaan et al., 2007 Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Assessment of life events and fMRI ̶significant life events ̶daughter’s TS, break-up ̶break-up = “pathogenetic event” (clinical significance, relation to development, potential for secondary gain…) ̶in contrast, subjectively not too significant: repression of emotions ̶fMRI paradigm ̶sentences/comments concerning 2 severe events and 1 non-severe life event; untrue statements: forces the patient to recall details of the event ̶contrasts •severe x non-severe event •TS of the daughter x break-up of the relationship Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Findings ̶memory of the break-up vs. TS and a neutral event ̶higher activation of •the amygdala – emotional activation •the anterior cingulum (BA 32) – automatic regulation of emotions •inferior frontal gyrus (BA46) – cognitive area •premotor areas – preparation of the motor plan ̶higher deactivation of •the left motor cortex (BA4) – area corresponding to motor deficit ̶The neurophysiological correlate of clinically evident repression of emotions related to signif memories ̶in contrast to insuff. subj. experiencing of the breakup, high emotional activation and at the same time reduced activity is apparent in the motor cortex in the area responsible for innervation of the region with the deficit ̶ Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems „Qualitative“ dysfunctions ̶paramnesias – retrospective falsification of memories during its recollection (awareness of recalled memory, failure to proper class time and situation of memory acquirement) ̶confabulation – filling memory gaps with inaccurate information; frontal lobe and self-monitoring? ̶deja vu – sensation of previously experienced situation when experiencing the first time ̶false awareness of memory ̶common in normality, increased in fatigue, intoxication, complex partial seizures Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Dementia ̶persistent diminution of cognition in the setting of a stable level of consciousness ̶three main symptomatic domains: ̶neuropsychologic: cognitive decline ̶neuropsychiatric: behavioral and psychological symptoms ̶activities of daily living Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Dementia – General cognitive dysfunction ̶memory: learning, recall, recognition ̶executive functions: planning, flexibility ̶thought disorders and language (disorganized structure, fluency...) ̶perseveration (following a topic after its change), echolalia (repetition of other's speech)… ̶abstraction (concrete thinking...) ̶judgment, insight (non-realistic planning, judging situations...) ̶attention: shift of attention, distractibility ̶visuospatial abilities (reproduction of a complex drawing...) ̶higher cortical functions - gnosis and praxis: apraxia, agnosia, aphasia Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Amnestic disorders Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Characteristics ̶Definition: acquired impaired ability to learn and recall new information (and past events sometimes) ̶ ̶No attention deficit or clouding of consciousness (delirium), no other cognitive dysfunction (dementia) ̶Secondary syndromes caused by systemic medical or primary cerebral diseases, substance abuse disorders, medical adverse effects Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Etiology ̶Diencephalic and middle temporal lobe structures (mammillary bodies, hippocampus) ̶Causes of amnestic syndrome: ̶closed head trauma ̶penetrating missile wounds ̶focal tumors ̶surgical intervention ̶herpes simplex encephalitis ̶infarction of the territory of the posterior cerebral artery ̶hypoxia ̶chronic use of alcohol with thiamine deficiency ̶Transient forms – linked with CVS disorders, pathology in the vertebrobasilar system, episodic physiologic or metabolic disorders, acute intoxications, seizures Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Clinical notes ̶Transient global amnesia ̶episodes of transitory inability to learn new information (to form memories) ̶variable inability to recall memories from the episode ̶restoration to completly intact cognitive state ̶no behavioral changes x may be confusion, perplexity ̶sudden/gradual onset – according to the cause (head trauma, CNS event, chronic toxic exposure) ̶disorientation – may be to place and time due to severe mnestic disorder x spared orientation to person (dementia) ̶lack of insight ̶confabulations Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Delirium Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Characteristics ̶transient cognitive disorder ̶core features: impairment of consciousness with attention deficit, rapid onset, fluctuating course. ̶other phenomena may appear more prominent, but are not always present ̶psychomotor changes (agitation), perceptual changes as illusions and hallucinations, disorganized thought, delusions, disturbances of sleep, emotional changes (irritability, flatness of emotions)... Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Disturbances of emotions Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Emotions - terminology ̶Emotion ̶complex feeling state ̶Psychic, somatic, behavioral components ̶Affect ̶short term emotional/affective state ̶Mood ̶longer term emotional/affective state ̶ Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Disturbances of emotions ̶Range of emotional states ̶flattening of emotions ̶decreased emotional reactivity ̶Emotional tenacity ̶Lability ̶Incontinence ̶Appropriateness ̶incongruent emotions ̶Ambivalence – contrary emotions Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Disturbances of affects ̶Pathological affect ̶intensive emotional reaction ̶behavioral changes - aggressivity ̶short period of qualitative disorder of consciousness (obnubilation) ̶amnesia ̶Uncontroled affect ̶no changes of consciousness, no amnesia Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Disturbances of moods ̶Anxiety, phobia, fear ̶Depression ̶Mania Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Depression - syndrom ̶Affective symptoms ̶depressed mood – bad, down, black, opressive – distinguish from sadness ̶anhedonia ̶(anxiety) ̶Motivation ̶loss of interest in usual activities ̶inability to perform, initiate activity (abulia) ̶Cognitive ̶evaluation, self-esteem ̶attention, memory ̶negative cognitive biases ̶Suicidal activity – hoplessness, suicidal thoughts etc. ̶Vegetative, „somatic“ ̶insomnia, anorexia. decreased libido, loss of energy and fatigue, psychomotor retardation Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Mania - syndrom ̶Affective symptoms ̶expansive moods: mania, euforia, iritability, dysforia ̶Cognitive ̶increased speed vs. decreased accuracy: cognition (flight of ideas), memory (hypermnesia), speech (pseudoincoherence), decisions (risky)… ̶distractibility ̶inflated unrealistic self-esteem ̶Behavioral ̶hyperactivity, restlessness ̶overinvolvement – socially, sexually, occupationally… ̶Vegetative, somatic ̶insomnia (decreased need to sleep), anorexia (decreased need to eat), increased energy Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Catatonia Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Disturbance of voluntary movements ̶“Positive“ ̶agitation ̶active negativism ̶mannerism (odd caricature of normal movements) ̶stereotypies (repetitive, nonsensical movements) ̶grimacing ̶echolalia, echopraxia ̶„Negative“ ̶mutism ̶passive negativism ̶catalepsy (passive induction of a posture held against gravity) ̶posturing (spontaneous and active maintenance of posture against gravity) ̶waxy flexibility (slight and even resistance to positioning by examiner) ̶stupor (no psychomotor activity) Prof. MUDr. Tomáš Kašpárek, Ph.D. Adobe Systems Next steps – clinical vignettes ̶Have a look at videos: ̶Depression: https://www.youtube.com/watch?v=4YhpWZCdiZc ̶Mania: https://www.youtube.com/watch?v=zA-fqvC02oM ̶Hallucinations: https://www.youtube.com/watch?v=0tn8xLQY53U ̶Hallucinations and delusions: https://www.youtube.com/watch?v=ZB28gfSmz1Y ̶Delirium: https://www.youtube.com/watch?v=lJH1AoVuVS0 ̶Delirium: https://www.youtube.com/watch?v=hwz9M2jZi_o ̶Anxiety: https://www.youtube.com/watch?v=Ii2FHbtVJzc ̶Panic attack: https://www.youtube.com/watch?v=9YaS_4tXBNU ̶Catatonia: https://www.youtube.com/watch?v=_s1lzxHRO4U ̶Obsessions, Compulsions: https://www.youtube.com/watch?v=xMwOLoPFKlM ̶Obsessions, Compulsions: https://www.youtube.com/watch?v=syM6XYzht20 ̶Conversion: https://www.youtube.com/watch?v=_jOuqAcgMrA ̶Suicide: https://www.youtube.com/watch?v=A-m_aIQfXZA Děkuji za pozornost