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Posted: January 22nd, 2024
Biological theories in psychological theories are based on the assumption that human behavior and cognition are influenced by biological factors, such as genes, hormones, neurotransmitters, and brain structures. Biological theories aim to explain how these factors affect various aspects of psychological functioning, such as perception, emotion, memory, learning, personality, and mental disorders.
One of the main contributions of biological theories in psychology is that they provide empirical evidence for the link between mind and body. By using scientific methods and tools, such as laboratory experiments, brain scans, genetic testing, and animal studies, biological psychologists can measure and manipulate the biological variables that underlie psychological phenomena. For example, biological psychologists can study how drugs affect mood and behavior by altering the levels of neurotransmitters in the brain.
Another contribution of biological theories in psychology is that they offer evolutionary explanations for human behavior. By applying the principles of natural selection and adaptation, biological psychologists can trace the origins and functions of psychological traits that have been shaped by environmental pressures over millions of years. For example, biological psychologists can explain why humans have innate fears of snakes and spiders, or why humans are social animals who seek attachment and belonging.
However, biological theories in psychology also have some limitations and challenges. One of them is that they are often reductionist, meaning that they tend to reduce complex psychological phenomena to simple biological mechanisms. This may ignore the role of other factors, such as environmental, cultural, or cognitive influences, that may interact with or moderate the effects of biology on psychology. For example, biological psychologists may overlook how social norms and expectations can shape gender identity and behavior.
Another limitation of biological theories in psychology is that they are sometimes deterministic, meaning that they imply that human behavior and cognition are predetermined by biological factors that are beyond our control. This may undermine the notion of free will and personal responsibility, as well as the possibility of change and growth. For example, biological psychologists may suggest that mental disorders are caused by genetic defects or brain abnormalities that cannot be cured or modified.
In conclusion, biological theories in psychology are important for understanding the biological basis of human behavior and cognition. They provide scientific evidence and evolutionary explanations for psychological phenomena. However, they also face some challenges and criticisms for being too reductionist and deterministic. Therefore, biological theories in psychology should be integrated with other perspectives and approaches that can account for the complexity and diversity of human psychology.
References:
– Cherry K., Morin A. (2022). Psychological Theories: Definition, Types, and Examples. Verywell Mind. Retrieved from https://www.verywellmind.com/what-is-a-theory-2795970
– McLeod S., Guy-Evans O. (2023). Biological Approach In Psychology. Simply Psychology. Retrieved from https://www.simplypsychology.org/biological-psychology.html
– Simply Psychology (n.d.). Perspectives In Psychology (Theoretical Approaches). Simply Psychology. Retrieved from https://www.simplypsychology.org/perspective.html
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