Biological Sciences

Parkinson’s and schizophrenia human brain dopamine pathway cross-section.

This anatomical illustration shows a cross section of the human brain, highlighting two distinct dopamine pathways. The red pathway, labeled Dopamine pathway 1 (Parkinson’s), traces a circuit critical in motor control and is often associated with Parkinson’s disease. The green pathway, labeled Dopamine pathway 2 (Schizophrenia), follows another neural route implicated in the regulation of mood and thought processes, often linked to schizophrenia.

Key brain structures are labeled, including the frontal cortex, which is essential for higher cognitive functions, the thalamus, involved in relaying sensory and motor signals, the hypothalamus, responsible for regulating hormones and homeostasis, and the substantia nigra, a region rich in dopamine-producing neurons. The illustration also highlights the relationship between these structures and the dopamine pathways that influence conditions like Parkinson’s disease and schizophrenia.

This visually engaging and accurate illustration is ideal for use in medical textbooks, academic journals, educational e-books, or articles focused on neuroscience, psychiatry, or neurology, providing a clear representation of dopamine pathways and their impact on brain function.

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