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The study of neuroanatomy focuses on the structure of the nervous system and its relationship to functions that sustain life, cognition, behavior, and mental health. The human nervous system is primarily divided into two broad categories: the central nervous system (CNS) and the peripheral nervous system (PNS). Together, these networks of neurons and supporting cells coordinate all aspects of sensory perception, motor function, cognition, and emotional regulation. An understanding of neuroanatomy is essential within the fundamentals of mental health because the structural and functional integrity of the brain and related systems directly affect psychological well-being, emotional stability, and the development of psychiatric or neurological disorders. The central nervous system is composed of the brain and the spinal cord. The brain itself can be divided into several major parts: the cerebrum, the cerebellum, the diencephalon, and the brainstem. The cerebrum is the largest part of the brain and is divided into two hemispheres, each containing four lobes: the frontal, parietal, temporal, and occipital lobes. Each lobe has specialized functions while also working in integration with other regions. The frontal lobe is responsible for executive functions such as decision-making, planning, reasoning, impulse control, and voluntary motor activity. This region also plays a role in personality and social behavior, making it central to many aspects of mental health. The parietal lobe processes sensory information related to touch, pressure, temperature, and spatial orientation. It integrates sensory input and is critical for body awareness. The temporal lobe governs auditory processing, language comprehension, and memory formation, with the hippocampus—embedded in ________ ___ ______ __________ __________ _____ _______ _____ _________.
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