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PSY FPX 7310 Assessment 1 The Papez Circuit:It’s Effect on Behavior and Memory


Capella University

PSY FPX 7310 Biological Basis of Behavior

Prof. Name


The Influence of the Papez Circuit on Behavior and Memory


The human brain, with its complex architecture, significantly affects various aspects of life, particularly emotions and memory. Within the field of psychology, understanding how brain development or trauma impacts these areas is crucial. According to the Papez circuit model (Heilman, 2002), specific brain regions, including the fornix, mammillary bodies, anterior thalamic nucleus, cingulate cortex, and hippocampus, play essential roles in regulating emotion and memory (Jacobson & Marcus, 2008).

The Neural Pathway of the Papez Circuit

Neurology explores the interactions between the nervous system and the brain, focusing on how messages and sensations travel through the nervous system, affecting various behaviors and phenomena (Mumenthaler & Mattle, 2006). Central to the Papez circuit is the hippocampus, located deep within the temporal lobe. This structure manages processes such as motivation, emotion, learning, and memory, contributing significantly to the limbic system’s functions (Dutta, 2019).

The progression of emotions and sensations within this neural pathway is intricate. External stimuli, such as smells, sights, or sounds, are processed in the thalamus before being relayed to the sensory cortex. The cingulate cortex then facilitates the development of feelings, leading to the hippocampus’s crucial role in storing and forming memories. Trauma, accidents, or developmental issues can disrupt this process, resulting in memory impairment (Dharani, 2015).

Effects of Papez Circuit Dysfunction

Various factors, including abuse, environmental influences, and genetic predispositions, can disrupt the normal functioning of the Papez circuit, leading to memory deficits and altered behaviors (Kileen, 2020). Lesions along this pathway often result in varying degrees of memory loss, with Alzheimer’s disease being a potential outcome (Dharani, 2015). Additionally, changes to the Papez circuit can lead to altered behavioral responses, such as increased aggression or introversion, demonstrating the complex relationship between brain structure and behavior (Jacobson & Marcus, 2008).

PSY FPX 7310 Assessment 1 The Papez Circuit:It’s Effect on Behavior and Memory


In conclusion, the Papez circuit significantly impacts memory and behavior. Dysfunction within this neural pathway can lead to memory impairments and altered emotional responses, highlighting the importance of understanding its mechanisms in neurological research.


Dharani, K. (2015). The biology of thought: A neuronal mechanism in the generation of thought—A new molecular model. San Diego, CA: Elsevier Academic Press.

Dutta, S. S. (2019). Reviewed by Sally Robertson, B.Sc. News Medical Life Sciences. Retrieved from [website link].

Heilman, K. M. (2002). Matter of mind: A neurologist’s view of brain-behavior relationships. New York, NY: Oxford University Press.

Jacobson, S., & Marcus, E. (2008). Neuroanatomy for the neuroscientist. New York, NY: Springer.

Kileen, S. (2020, January 30). Personal interview. Retrieved from [website link].

PSY FPX 7310 Assessment 1 The Papez Circuit:It’s Effect on Behavior and Memory

Mumenthaler, M., & Mattle, H. (2006). Fundamentals of neurology. New York, NY: Thieme Stuttgart.

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