Titlebook: How to Build a Human Brain; Lynne Barker Textbook 2024 The Editor(s) (if applicable) and The Author(s), under exclusive license to Springe

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How to Build a Neuron,ional unit (genes are of course smaller). Neurons are unique because they are excitable and they are found nowhere else in the body: if they were, we might have thinking body parts which would definitely upset the order of things (except for sensing neurons in our gut). Neurons constitute heterogene

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How to Build a Brainstem,g fibres travelling up to the thalamus and down to the spinal cord. Tracts are dense bundles of white matter, made up of millions of nerve axons, and transmit, integrate, and modulate information underpinning perception, cognition, and behaviour.

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How to Build a Cerebellum,singly different from the larger specialised domes of our cerebral hemispheres—the cerebellum. The cerebellum’s basic interior design is a three-layer structure that maintains its uniform regularity across the lobes of both hemispheres, accounting for the notion that cerebellar morphology is regimen

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How to Build a Midbrain,her these structures play a powerful role in our body sense and wellbeing, our self-based memories and emotions, and our vital chemosensory sense (olfaction—smell), cravings, habits, and self-awareness. These structures are uniquely adapted to operate separately and in concert as specialised drive,

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How to Build Temporal Lobes, The difficult task of crafting auditory and language apparatus lies before us as we continue in our brain-building exercise. We must shape the outer (lateral) surface of the lobe into its distinct gyri and sulci, which allows us to pack more brain tissue into the skull. The basic external structure

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How to Build Frontal Lobes,er mammals, there is instead a greater volume of white matter pathways involving greater association, commissural, projection, and intra-frontal networks in humans compared to monkeys (Barrett et al., 2019).