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The visual system and the somatosensory system are active even during resting state fMRI
The visual system and the somatosensory system are active even during resting state fMRI
Activation and response in the sensory nervous system
Activation and response in the sensory nervous system
Human ear
Human ear
Human nose
Human nose
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Horizontal section of the head of an adult female human, showing skin, skull, and brain with gray matter (brown in this image) and underlying white ma
Horizontal section of the head of an adult female human, showing skin, skull, and brain with gray matter (brown in this image) and underlying white matter
Major elements in synaptic transmission. An electrochemical wave called an action potential travels along the axon of a neuron. When the wave reaches
Major elements in synaptic transmission. An electrochemical wave called an action potential travels along the axon of a neuron. When the wave reaches a synapse, it provokes release of a small amount of neurotransmitter molecules, which bind to chemical receptor molecules in the membrane of the target cell.
Illustration of pain pathway, from René Descartes's Treatise of Man
Illustration of pain pathway, from René Descartes's Treatise of Man
Layers protecting the brain and spinal cord
Layers protecting the brain and spinal cord