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The following outline is provided as an overview of and topical guide to neuroscience:

Neuroscience – an interdisciplinary science that studies the nervous system.[1]

Nervous systemEdit

Nervous system diagram

Human nervous system

The nervous system is an organ system containing a network of specialized cells called neurons that coordinate the actions of an animal and send signals between different parts of its body.

Central nervous systemEdit

The central nervous system (CNS) is the largest part of the nervous system, and includes the brain and spinal cord.

Peripheral nervous systemEdit

The peripheral nervous system (PNS) is a collective term for the nervous system structures that do not lie within the CNS.

Peripheral
nervous
system
by direction afferent system
efferent system
By function Somatic
Autonomic Sympathetic
Parasympathetic
Enteric

Glial cellsEdit

Glial cells, commonly called neuroglia or glia, are supportive cells that maintain homeostasis, form myelin, and provide support and protection for the brain's neurons.


Nervous system

Brain - Spinal cord - Central nervous system - Peripheral nervous system - Somatic nervous system - Autonomic nervous system - Sympathetic nervous system - Parasympathetic nervous system

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BrainEdit

The brain is the center of the nervous system in all vertebrate, and most invertebrate, animals.

Principal regions of the vertebrate brain:

File:Vertebrate-brain-regions.png
Brain Forebrain Telencephalon

Rhinencephalon, Amygdala, Hippocampus, Neocortex, Lateral ventricles, Basal ganglia

Diencephalon

Epithalamus, Thalamus, Hypothalamus, Subthalamus, Pituitary gland, Pineal gland

Midbrain

Tectum, Cerebral peduncle, Pretectum, Mesencephalic duct

Hindbrain Metencephalon

Pons, Cerebellum,

Myelencephalon Medulla oblongata

NeuronEdit

Neuron
Structure of a typical neuron


A neuron (also known as a neurone or nerve cell) is an excitable cell in the nervous system that processes and transmits information by electrochemical signaling. Neurons are the core components of the brain, spinal cord, and peripheral nerves.

Action potentialEdit

An action potential (or nerve impulse) is a transient alteration of the transmembrane voltage (or membrane potential) across the membrane in an excitable cell generated by the activity of voltage-gated ion channels embedded in the membrane. The best known action potentials are pulse-like waves that travel along the axons of neurons.

SynapseEdit

Structure of a typical chemical synapse

Synapses are specialized junctions through which neurons signal to each other and to non-neuronal cells such as those in muscles or glands.

NeurotransmitterEdit

Neurotransmitters are endogenous chemicals that relay, amplify, and modulate signals between neurons and other cells to which they are synaptically connected.

Neurotransmitter receptorEdit

A neurotransmitter receptor is a membrane receptor that can be activated by a neurotransmitter. Interactions between neurotransmitters and neurotransmitter receptors can evoke a wide range of differing responses from the cell receiving the signal, including excitation, inhibition, and various types of modulation.

Biological neural networkEdit

A biological neural network is a population of physically interconnected neurons that act cooperatively to form a functional circuit. Computer scientists and engineers also study artificial neural networks formed by simplified mathematical abstractions of the signaling properties of biological neurons.

Neural developmentEdit

Neural development comprises the processes that generate, shape, and reshape the nervous system, from the earliest stages of embryogenesis to the final years of life.

Sensory systemEdit

A sensory system is a part of the nervous system responsible for processing sensory information. A sensory system consists of sensory receptors, neural pathways, and parts of the brain involved in sensory perception.


Motor controlEdit

Motor control comprises the activities carried out by the nervous system that organize the musculoskeletal system to create coordinated movements and skilled actions.

Learning and memoryEdit

"Memory" is an organism's ability to store, retain, and recall information. "Learning" means acquiring new knowledge, behaviors, skills, values, preferences or understanding, and may involve synthesizing different types of information.

CognitionEdit

The term "cognition" refers to the activities involved in processing information, applying knowledge, and changing preferences. Cognition, or cognitive processes, can be natural or artificial, conscious or unconscious.

ArousalEdit

Arousal is a physiological and psychological state of being awake or reactive to stimuli.

NeuroscienceEdit

Neuroscience is the scientific study of the nervous system. Traditionally, neuroscience has been seen as a branch of biology. Currently it has become an interdisciplinary science that involves other disciplines such as cognitive and neuro-psychology, computer science, statistics, physics, philosophy, and medicine.

NeurophysiologyEdit

Neurophysiology is the study of the function (as opposed to structure) of the nervous system.

NeuroanatomyEdit

Neuroanatomy is the study of the anatomy of nervous tissue and neural structures of the nervous system.

NeuropharmacologyEdit

Neuropharmacology is the study of how drugs affect cellular function in the nervous system.


Behavioral neuroscienceEdit

Behavioral neuroscience, also known as biological psychology, biopsychology, or psychobiology, is the application of the principles of biology to the study of mental processes and behavior in human and non-human animals.

Developmental neuroscienceEdit

Developmental neuroscience aims to describe the cellular basis of brain development and to address the underlying mechanisms. The field draws on both neuroscience and developmental biology to provide insight into the cellular and molecular mechanisms by which complex nervous systems develop.

Cognitive neuroscienceEdit

Cognitive neuroscience is concerned with the scientific study of biological substrates underlying cognition, with a focus on the neural substrates of mental processes.

Systems neuroscienceEdit

Systems neuroscience is a subdiscipline of neuroscience which studies the function of neural circuits and systems. It is an umbrella term, encompassing a number of areas of study concerned with how nerve cells behave when connected together to form neural networks.

Molecular neuroscienceEdit

Molecular neuroscience is a branch of neuroscience that examines the biology of the nervous system with molecular biology, molecular genetics, protein chemistry and related methodologies.

Computational neuroscienceEdit

Computational neuroscience includes both the study of the information processing functions of the nervous system, and the use of digital computers to study the nervous system. It is an interdisciplinary science that links the diverse fields of neuroscience, cognitive science and psychology, electrical engineering, computer science, physics and mathematics.

NeurophilosophyEdit

Neurophilosophy or "philosophy of neuroscience" is the interdisciplinary study of neuroscience and philosophy. Work in this field is often separated into two distinct approaches. The first approach attempts to solve problems in philosophy of mind with empirical information from the neurosciences. The second approach attempts to clarify neuroscientific results using the conceptual rigor and methods of philosophy of science.


NeurologyEdit

Neurology is the medical specialty dealing with disorders of the nervous system. It deals with the diagnosis and treatment of all categories of disease involving the central, peripheral, and autonomic nervous systems.

NeuropsychologyEdit

Neuropsychology studies the structure and function of the brain related to psychological processes and behaviors. The term is used most frequently with reference to studies of the effects of brain damage in humans and animals.

  1. REDIRECT Template:CNS diseases of the nervous system


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Related sciencesEdit

See also Edit

ReferencesEdit

  1. Neuroscience. Merriam-Webster Medical Dictionary.



Human organ systems
Cardiovascular system - Digestive system - Endocrine system - Immune system - Integumentary system - Lymphatic system - Muscular system - Nervous system - Skeletal system - Reproductive system - Respiratory system - Urinary system

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