PSY 262 Lecture Notes - Lecture 2: Autonomic Nervous System, Little Albert Experiment, Hindbrain

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Chapter 2
Models of Abnormal Behavior
One Dimensional Model
Looking at 4 camps:
Biological
Psychological
Social
Sociocultural
Foster one dimensional and linear explanation of mental illness
Each explanation contains kernels of truth, but that none of the explanations comprehensively address
the whole picture
Multipath Model
Operates under several assumptions
o No one theoretical perspective is adequate to explain the complexity
o Multiple pathways to and influences on the development of any disorder
Must consider the biological, psychological, social, and sociocultural elements
o Not all dimensions contribute equally
o Integrative and Interactive
o Strengths
Dimension One: Biological Factors
o Genetics, brain anatomy and physiology, central nervous system functioning, autonomic
nervous system reactivity
o Assumptions:
o Characteristics make us who we are
o Occurring within the brain, changing brain structure
o Inherited biological vulnerability
o Medication
The Brain
o Regulating activities for survival
o Receiving and interpreting sensory info
o Transmitting info to our muscles and organs
o Coordinating responses to incoming stimuli
Three Major Parts (Forebrain, Midbrain, Hindbrain)
Frontal Cortex is not fully developed until 18-24 years old and because of this, schizophrenia is not
diagnosed until 18.
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