Prepare A 700 To 1050 Word Paper Examining The Fo
Prepare A 700 To 1050 Word Paper In Which You Examine The Foundation
Prepare a 700- to 1,050-word paper in which you examine the foundations of psychology. Address the following components: Identify the major schools of thought in psychology and examine their major underlying assumptions. Identify the primary biological foundations of psychology linked to behavior. Prepare to discuss this paper in class. Format your paper consistent with APA guidelines.
Paper For Above instruction
The foundations of psychology comprise a rich tapestry of theoretical perspectives and biological mechanisms that have evolved over centuries. Understanding these foundations provides insight into how human behavior is influenced by both mental frameworks and biological processes. This paper explores the major schools of thought in psychology, examines their underlying assumptions, and discusses the primary biological foundations, particularly focusing on the nervous system and neuronal communication.
Major Schools of Thought in Psychology and Their Underlying Assumptions
Historically, psychology has been characterized by diverse theoretical perspectives, each offering unique insights into human behavior. Among these, psychodynamic, behaviorist, cognitive, and evolutionary perspectives are fundamental, and their assumptions shape research and practice in psychology today.
The psychodynamic school, originating from Freud's psychoanalytic theory, posits that unconscious motives, childhood experiences, and internal conflicts primarily drive behavior. This perspective assumes that much of human behavior is influenced by subconscious forces rooted in early development (Freud, 1917). The focus is on uncovering unconscious conflicts and understanding how they influence conscious actions.
The behaviorist perspective emphasizes observable behaviors and the environmental stimuli that reinforce or punish them. Rooted in the work of Pavlov, Watson, and Skinner, behaviorism assumes that behavior is learned through interactions with the environment (Skinner, 1953). It posits that internal thoughts or feelings are less relevant than external behaviors that can be measured objectively.
The cognitive school centers on mental processes such as perception, memory, reasoning, and problem-solving. This perspective assumes that humans are active information processors, akin to computers, and that understanding mental functions is crucial to understanding behavior (Neisser, 1967). It emphasizes internal thought processes and how they influence behavior.
The evolutionary perspective considers behavior in terms of adaptive strategies that have evolved over time through natural selection. It assumes that many behaviors have biological bases that increase reproductive success and survival (Buss, 2015). This approach often explains behaviors that seem universal across cultures as adaptations shaped by evolutionary pressures.
Biological Foundations of Psychology and Behavior
The biological basis of psychology seeks to explain behavior through the functioning of the nervous system and genetics. The primary biological foundation involves understanding how the brain and nervous system influence mental processes and behavior. The nervous system is broadly divided into two major parts: the central nervous system (CNS) and the peripheral nervous system (PNS).
The central nervous system (CNS), comprised of the brain and spinal cord, acts as the control center for processing information and directing responses. The brain, with its complex regions such as the cerebral cortex, limbic system, and brainstem, is responsible for functions including cognition, emotion, memory, and decision-making (Gazzaniga, 2018). The spinal cord transmits signals between the brain and the rest of the body and also manages reflexes.
The peripheral nervous system (PNS) connects the CNS to limbs and organs, facilitating communication between the body and brain. It is subdivided into the somatic nervous system, which controls voluntary movements, and the autonomic nervous system, which regulates involuntary functions like heart rate, digestion, and respiration (Henry, 2015).
Communication within the nervous system occurs through neurons, specialized cells capable of transmitting electrical and chemical signals. Neurons have distinct structures, including dendrites that receive signals and axons that send signals. The primary types of neurons are sensory neurons, motor neurons, and interneurons, each playing a vital role in neural communication (Bear et al., 2016).
Sensory neurons transmit information from sensory receptors to the CNS, conveying signals related to sights, sounds, tastes, and touch. Motor neurons send commands from the CNS to muscles, enabling movement. Interneurons, which comprise most neurons in the brain and spinal cord, facilitate communication between sensory and motor neurons, integrating information and coordinating responses (Kandel et al., 2013).
The process of neural communication involves action potentials—electrical impulses that travel along the neuron—and neurotransmitters, chemical messengers released into synapses to carry signals across to neighboring neurons. This complex exchange ensures rapid and precise communication, enabling everything from reflexes to complex cognition (Purves et al., 2018).
Conclusion
The foundational perspectives of psychology—psychodynamic, behaviorist, cognitive, and evolutionary—offer diverse assumptions about what drives human behavior. Each perspective emphasizes different aspects, from unconscious motives to environmental influences, mental processes, and evolutionary adaptations. Underpinning these theories is the biological framework, particularly the nervous system's structure and function, which provides the physical basis for behavior. The intricate communication between neurons via electrical and chemical signaling enables all mental functions and behaviors observed in humans, illustrating the deep interconnection between biology and psychology. A comprehensive understanding of these foundations enhances our ability to interpret behavior and develop effective interventions in psychology and related fields.
References
- Bear, M. F., Connors, B. W., & Paradiso, M. A. (2016). Neuroscience: Exploring the Brain (4th ed.). Wolters Kluwer.
- Buss, D. M. (2015). Evolutionary Psychology: The New Science of the Mind. Routledge.
- Feldman, R. S. (2019). Understanding Psychology (13th ed.). McGraw-Hill Education.
- Freud, S. (1917). Introductory Lectures on Psycho-Analysis. Liveright Publishing.
- Gazzaniga, M. S. (2018). The Ethical Brain: The Science of Our Moral Dilemmas. Dana Press.
- Henry, J. (2015). The peripheral nervous system. In G. R. L. C. Rogers (Ed.), Neuroscience and Biobehavioral Foundations of Psychology (pp. 45-67). Academic Press.
- Kandel, E. R., Schwartz, J. H., & Jessell, T. M. (2013). Principles of Neural Science (5th ed.). McGraw-Hill.
- Neisser, U. (1967). Cognitive psychology. Scientific American, 217(4), 24-35.
- Purves, D., Augustine, G. J., & Fitzpatrick, D. (2018). Neuroscience (6th ed.). Sinauer Associates.
- Skinner, B. F. (1953). Science and Human Behavior. Free Press.