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Chapter 3 The Developmental Psychopathology Perspective Bilge Yağmurlu PSYC 430 Developmental Psychopathology Perspective and Theory Perspective View, approach, cognitive set Paradigm Perspective shared by investigators Assumptions and concepts Theories of psychopathology Macro and Micro Perspective and Theory Theory: a formal, integrated set of principles or propositions that explains phenomena. Models are descriptions of the phenomenon under study. Models help to organize the researcher’s thinking, surrounding a particular topic under investigation. Models Interactional variables interrelate to produce an outcome Vulnerability (diathesis) stress model: multiple causes work together Vulnerability x stress Interactional Model Child Development Environment (-ATT) x (+E) +O Models "diathesis" can refer specifically to a genetic predisposition toward an abnormal or diseased condition, but has been more broadly defined as a vulnerability arising out of early child development. Models Transactional/Systems model Nature and nurture are both fully involved in providing a source of any behavioral development They cannot function in isolation Transactional Model (C t1 x E t1) C t2 x E t2 Where C t1 = (C tn-1 x E tn-1) E t1 = (E tn-1 x C tn-1) All features are made up of all features that are transformed by their interaction Models Transactional/Systems model Negative child reactivity Stressful and dysfunctional parenting Models Transactional/Systems Bio-ecological model Bio-ecological model • Nested, interacting ecosystems Bronfenbrenner’s model of bioecological systems D C A1 B A2 A1 A2 B C D MICROSYSTEM MICROSYSTEM MESOSYTEM EXOSYSTEM MACROSYSTEM Microsystem: stands as child’s venue for learning about the world. Child is at the center and moves away and toward Mesosystem: relations between 2 or more settings in which the child actively participates. The number and quality of connections betwen settings have important implications for child’s development. • Exosystem: contexts experienced vicariously and yet have impact on child. Does not directly involve the child. D – Example: Flexibility in work hours: child realizes stress of parent’s workplace without ever being in these places. C A1 B A2 • Exosystem: contexts experienced vicariously and yet have impact on child. D “Risk” and “social address” C A1 B A2 factors alone don’t determine whether or not a child develops his potential. Macrosystem: blueprints for how other components should operate. dominant ideologies and cultural patterns that organize all other social institution. Influences what, how, when and where we carry out our relations D C A1 B A2 17 Macrosystem: • What kind of government departments are provided to support families • How the legal/health system is designed Contributions of the Model: Inclusive of all systems in which families are enmeshed. Reflects dynamic nature of relations Acknowledges that each of the ever-changing and multi-level environments and their interactions are key to development. Two-way interaction Overriding ideology or cultural pattern of any given society and family Employer, work hours and family-related policies Lobbying for political and economic policies that support parent’s roles in their children’s development Developmental Psychopathology Origins and developmental course of disordered behavior Adaptation and success Integration of theories Developmental Psychopathology Examples of Microparadigms Biomedical Behavioral - Genetics - Infectious - Neurological - Biochemical - Neurotransmitters Psychodynamic Psychosexual Development Reinforcement Modeling Sociological Family Systems - Lower Class Culture Theory Cognitive -Piagetian -IP -Social Cognition -Child’s problems as symptoms of stress -Family causes of anorexia Figure. Schematic overview of developmental psychopathology in relation to other conceptual levels. From Achenbach (1990). Development Change over the life span Biopsychosocial interactions with individuals Quantitative and qualitative change Common general course of early development Coherent pattern Change not always positive Causal Factors Direct cause Variable x leads straight to outcome Indirect X influences other variables that in turn lead to outcome Causal Factors Mediating factors Explain the relationship between variables Specifies how (or the mechanism by which) a given effect occurs Causal Factors Moderating factors Presence or absence of a factor influences the relationship between variables Specifies the conditions under which the direction or strength will vary Moderating factors The effect of a risk factor on a disorder may vary across contexts or populations. The magnitude of an effect might be changed under different conditions. Moderating factors Example: The effect of early harsh discipline on the development of conduct disorder is reduced under circumstances of a warm parent-child relationship. Moderating Factors Parental harsh discipline Child externalizing behaviors Parental harsh discipline Child externalizing behaviors Culture: Normativeness of harsh discipline in a culture Lansford et al. study (2005): moderating influence of culture Moderating Factors Harsh discipline Conduct disorder Harsh discipline Conduct disorder Warm parent-child relationship Moderating Factors Divorce/Severe marital conflict Delinquency Divorce/Severe marital conflict Delinquency Child’s sex • The effect of a risk factor on a disorder may vary across contexts or populations Mediating Factors Parental harsh discipline Parental harsh discipline Child externalizing behaviors Regulation problems Child externalizing behaviors • Specifies how (or the mechanism by which) a given effect occurs Mediating Factors Unresponsive parenting Unresponsive parenting Child anxiety disorder Anxious/ambivalent attachment Child anxiety disorder • Specifies how (or the mechanism by which) a given effect occurs Mediating Factors Parenting x temperament = anxiety disorder Unresponsive parenting Fearful temperament Unresponsive parenting Child anxiety disorder Insecure attachment Child anxiety disorder Fearful temperament Parenting x temperament => attachment problems => anxiety disorder Causal Factors Necessary cause - must be present for disorder to occur Sufficient - can be responsible alone (other factors not required) Contributing – not necessary or sufficient Causal Factors Necessary cause - must be present for disorder to occur Sufficient - can be responsible alone (other factors not required) Example: for schizophrenia genetics (brain dysfunction) Example: for Down syndrome chromosomal abnormality Contributing – not necessary or sufficient Example: Low SES Pathways to Development Developmental pathways have a transactional and probabilistic nature Equifinality a given end state can be reached by many potential means Equifinality Example: Antisocial behavior • Neurophysiological • Behavioral Inhibition System (BIS) underactive • Behavioral Activation System (BAS) overactive • OR both systems underactive as child tries to seek sensation • Reduced threshold for fight or flight • Neuropsychological • Frontal lobes • Problems with verbal and executive functions • Family influences • Parent-child interactions • Discipline and monitoring • Temperament • Irritability • Impulsivity • Sensation seeking Equifinality Example: Substance Use Use affected by: Temperament (poor impulse control) Emotional regulation Exposure to trauma Modeling Family Peers Poor academic performance and low involvement in school activities SES (poverty): Availability of substances Pathways to Development Multifinality • one etiologic factor can lead to any of several psychopathologic outcomes, depending on the person and context. Risk and Resilience Risk factors Constitutional Family Emotional and interpersonal Intellectual and academic Ecological Nonnormative life events Risk and Resilience The more risks, the poorer the outcome Timing of risk important Divorce during childhood or adolescence Some risk is tied to specific outcomes Effects add or multiply Multifinality: many risks not Risk for onset may differ from risk for persistence Risk can accumulate over time Risk and Resilience Resilience Positive outcome in the face of risk Trio of protective factors: Individual Good IQ Appealing, sociable Easy temperament Self-efficacy and self-confidence Self-control Talented Optimistic Risk and Resilience Resilience, continued Family Close to parent or caregiver Authoritative parenting Socioeconomic advantages Connections to support Extrafamilial Bonds to positive adult role models Connections to organizations Good schooling Risk and Resilience Resilience Can occur with one protective factor or may require more Can occur in one domain (emotion) and not another (academic) Can occur in one setting (friendship) and not another (school) Can wax and wane over time Can be linked to neurobiology Continuity and Change Homotypic continuity : Stable symptoms Heterotypic continuity : Symptoms change with development An underlying impairment stays the same, but the manifestations do not stay the same. Heterotypic Continuity • Anaclitic depression – Listless, withdrawn, weepy • Preschool – Angry affect, apathy • Elementary – Agitation, somatic complaints • Adolescence – Affective lability, appearance, sensitivity, acting-out Continuity and Change Heterotypic continuity: Symptoms change with development Psychopathological progression: One disorder is a risk factor for developing another disorder E.g., eating disorders such as anorexia nervosa have influence on neurotransmitter levels such as serotonin. Imbalance of serotonin is related to generalized anxiety disorder (GAD) and depression. Continuity and Change Comorbidity: The presence of one or more disorders (or diseases) in addition to a primary disease or disorder at the same time Indicates a medical condition existing simultaneously with another condition in a patient Continuity and Change Psychopathological progression Comorbidity Where comorbidity uses data to state a fact, the other two concepts try to explain the process. Continuity and Change An example from the literature Results: Continuity from one diagnosis to another (heterotypic) was significant from depression to anxiety and anxiety to depression, from ADHD to oppositional defiant disorder (ODD), and from anxiety and conduct disorder (CD) to substance abuse. Continuity and Change An example from the literature Background: This paper expands upon recent efforts to advance beyond the examination of concurrent comorbidity between affective and behavioral disorders by testing developmental sequences among disorders. Participants: Boys were recruited when they were between the ages of 7 and 12, and were reassessed annually until age 18. Results: Each disorder showed homotypic continuity, but a clear developmental sequence of heterotypic continuity also emerged. ADHD was predicted by no other disorders, and exclusively predicted ODD. CD was predicted only by ODD. However, ODD was also directly predictive of future anxiety and depression, and anxiety predicted future depression as well.