OpenStax College Psychology — Chapter 1: Introduction to Psychology

WHAT IS PSYCHOLOGY?

• Psychology is the scientific study of the mind and behavior.

• Psych – Soul; Ology – Scientific study of.

• Psychologists study the human experience from basic brain function to consciousness, memory, language, reasoning, personality, and mental health.

• Visual context: Figure 1.1 shows a background image with multiple credits; conveys psychology as a broad field spanning mind and behavior.

HISTORY OF PSYCHOLOGY

• Early perspectives sought to explain mental processes and how people adapt to their environments.

• Structuralism: understanding conscious experience through introspection. Pioneered by Wilhelm Wundt.

• Functionalism: focused on how mental activities helped organisms adapt to their environment. Pioneered by William James.

• Psychoanalytic Theory: emphasizes the role of the unconscious in influencing conscious behavior. Associated with Sigmund Freud.

• Gestalt Psychology: emphasizes studying the whole rather than constituent parts; perception is about the whole experience.

• Behaviorism: focuses on observable behavior and how it is shaped by environment; led by Pavlov, Watson, and Skinner.

• Humanism: emphasizes innate potential for goodness in humans; foundational figures include Abraham Maslow and Carl Rogers.

WILHELM WUNDT (STRUCTURALISM)

• Credited as one of the founders of psychology.

• Created the first laboratory for psychological research.

• Emphasized structuralism: understanding the structure and characteristics of the mind.

• Introspection: examining one’s own conscious experience and breaking it into component parts.

• Visual: Wundt in his laboratory with fellow researchers and equipment (Figure 1.3).

WILLIAM JAMES (FUNCTIONALISM)

• First American psychologist.

• Functionalism: analyzed how mental activities contribute to environmental survival and adaptation.

• Focus on the function of cognition and behavior rather than just structure.

• Visual: James in a self-portrait; Figure 1.4.

SIGMUND FREUD (PSYCHOANALYTIC THEORY)

• Founded Psychoanalytic theory; dominated clinical psychology for decades.

• Studied hysteria and neurosis; proposed many problems arise from the unconscious mind.

• Dream analysis as a method to access the unconscious.

• Core idea: unconscious processes and early childhood experiences shape conscious behavior.

• Visual: Freud’s Couch (credit: BBC).

SIGMUND FREUD (CONTINUED)

• Figure 1.5a: Freud as a pivotal figure in the history of psychology.

• Figure 1.5b: A General Introduction to Psychoanalysis (1922) – one of his influential books outlining psychoanalytic therapy.

GESTALT PSYCHOLOGY

• German psychologists Kohler, Koffka, Wertheimer contributed to Gestalt psychology in the U.S. to escape Nazi Germany.

• Gestalt principle: the whole is different from the sum of its parts; perception emphasizes relationships among parts.

• Emphasizes that sensory experiences are organized into meaningful wholes.

• Visual: Kohler, Koffka, Wertheimer; ongoing influence on sensation and perception research.

IVAN PAVLOV (CLASSICAL CONDITIONING)

• Discovered classical conditioning.

• Studied conditioned reflexes: an unconscious reflex (salivation) to a stimulus (food) can be associated with a different stimulus (bell).

• Through association, the bell comes to elicit the response originally caused by food.

• Visual: Conditioning concept; credit: Emaze.

JOHN B. WATSON (BEHAVIORISM)

• Father of behaviorism.

• Argued that objective analysis of the mind is impossible; focus on observable behavior instead.

• Behaviorism contributed to therapeutic approaches such as behavioral and cognitive-behavioral therapy.

• Figure 1.6 depicts Watson’s influence.

B.F. SKINNER (OPERANT CONDITIONING)

• Skinner is famous for operant conditioning.

• Demonstrated that behavior is shaped by its consequences (reinforcement and punishment).

• Operant conditioning chamber (Skinner box) variants are still used in research.

• Figure 1.7a shows Skinner and his box; caption notes modifications by contributors.

ABRAHAM MASLOW (HUMANISM)

• Proposed a hierarchy of human needs that motivate behavior.

• Basic survival needs (food, water, shelter) must be met before higher-level needs (social needs) influence motivation.

• Figure 1.8 illustrates Maslow’s hierarchy concept.

CARL ROGERS (HUMANISM)

• Developed client-centered therapy (person-centered therapy).

• Core therapist qualities: unconditional positive regard, genuineness, empathy.

• Therapy emphasizes the patient taking the lead in therapy.

• Figure 1.9 (credit: Didius) visualizes client-centered therapy elements.

THE COGNITIVE REVOLUTION

• In the 1950s, disciplines like linguistics, neuroscience, and computer science shifted focus to the mind.

• The mind became central to scientific inquiry in psychology.

• Noam Chomsky played a key role in advocating for mental functioning in psychology.

• Figure 1.10 and the 2010 mural in Philadelphia honor Chomsky.

• Noam Chomsky’s critique helped integrate language and cognitive processes into psychology.

CONTEMPORARY PSYCHOLOGY

• Branches include: Biopsychology and Evolutionary Psychology; Sensation and Perception; Cognitive Psychology; Developmental Psychology; Personality Psychology; Social Psychology; Health Psychology; Industrial-Organizational Psychology; Sports and Exercise Psychology; Clinical Psychology; Forensic Psychology.

BIOPSYCHOLOGY

• Also called biological psychology.

• Studies how structure and function of the nervous system generate behavior.

• Figure 1.11 highlights areas of research: sensory and motor systems, sleep, drug use, ingestive/reproductive behavior, neurodevelopment, plasticity, and biological correlates of disorders.

• Research topics include: sensory/motor systems, sleep, drug use and abuse, ingestive/reproductive behavior, neurodevelopment, plasticity, biological bases of disorders.

SENSATION AND PERCEPTION

• Perception can differ even when sensory information is the same (duck/rrog rabbit illusion).

• Focus: both physiological aspects of sensory systems and the psychological experience of sensory information.

• Definitions:

  • Sensation: sensory information received by the body (sights, sounds, touch, smell).

  • Perception: how we experience and interpret that information, influenced by attention, prior experiences, and culture.

• Real-world relevance: explains how context changes perception.

COGNITIVE PSYCHOLOGY

• Focuses on cognition and thoughts and how they relate to experiences and actions.

• Key areas:

  • Attention

  • Problem solving

  • Language

  • Memory

DEVELOPMENTAL PSYCHOLOGY

• Studies physical and mental changes from infancy through adulthood.

• Involves acquisition of skills over growth: moral reasoning, cognitive skills, social skills.

• Jean Piaget is famous for theories on cognitive development across age ranges.

• Figure 1.13 depicts Piaget.

PERSONALITY PSYCHOLOGY

• Focuses on patterns of thoughts and behaviors that are relatively stable across time and context.

• Studies both conscious and unconscious processes and identifies personality traits.

• Five Factor Model: depicted in Figure 1.14; describes personality across five dimensions; high or low scores yield different descriptions.

SOCIAL PSYCHOLOGY

• Studies how people interact with each other and how social context influences behavior.

• Topics include prejudice, attraction, interpersonal conflicts, and obedience.

• Figure 1.15 references Stanley Milgram’s obedience research.

• Milgram demonstrated how far people would go in obeying authority.

• Visual: advertisement used to recruit subjects for Milgram's research.

HEALTH PSYCHOLOGY

• Explores how biological, psychological, and sociocultural factors influence health and illness.

• Biopsychosocial model: health is determined by the interaction of these three factors.

• Figure 1.16 illustrates this model.

CLINICAL PSYCHOLOGY

• Focuses on diagnosis and treatment of psychological disorders and problematic behaviors.

• Cognitive-Behavioral Therapy (CBT) is a prominent approach that considers cognitive processes and behaviors.

• Therapy and counseling contexts form core components of clinical psychology.

• Figure 1.17 presents CBT and its clinical application.

INDUSTRIAL-ORGANIZATIONAL PSYCHOLOGY

• Applies psychology to work settings: personnel management, organizational structure, and workplace environment.

SPORTS & EXERCISE PSYCHOLOGY

• Focuses on psychological aspects of sports and physical performance.

• Topics include motivation, performance anxiety, and mental well-being.

FORENSIC PSYCHOLOGY

• Applies psychology to the justice system.

• Tasks include assessing mental competency to stand trial, informing sentencing and treatment, and evaluating eyewitness testimonies.

• Requires understanding of legal system considerations.

CAREERS IN PSYCHOLOGY

• Doctoral degrees (PhD) or Master's degrees are common requirements for many roles.

• Common career options:

  • Teaching

  • Research

  • Clinical psychologist

  • Counseling psychologist

  • Social work

  • Corporate and marketing roles

• Visual: Figure 1.18 shows doctoral ceremony and attire.

EMPLOYMENT IN DIFFERENT SECTORS (SOME 2009 DATA)

• Percentage distribution of PhD psychology graduates employed in sectors:

  • University: 26\%

  • Hospital or health service: 25\%

  • Government/VA medical center: 16\%

  • Business or nonprofit: 10\%

  • Other educational institutions: 8\%

  • Medical school: 6\%

  • Independent practice: 6\%

• Source: Michalski, Kohout, Wicherski, & Hart (2011);
  Figure 1.19 demonstrates the range of employment options for PhD graduates.