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Organization of the Brain

Organization of the Brain

The brain is an integral component of the nervous system and serves as the center for processing sensory inputs, making decisions, and directing bodily actions. This complex organ is organized into three primary sections: the hindbrain, midbrain, and forebrain, each responsible for a range of vital functions.
Hindbrain
The hindbrain, located at the base of the brain, plays a vital role in regulating automatic processes that sustain life. It includes the medulla oblongata, which is essential for...

Neurons as Communicators of the Brain

Neurons as Communicators of the Brain

Neurons, the fundamental units of the brain and nervous system, function as the primary transmitters of information throughout the body. Their ability to communicate through electrical and chemical signals is vital for every bodily function, from regulating the heartbeat to processing complex thoughts. Each neuron has three main components: the cell body (soma), dendrites, and an axon, each specialized to facilitate swift and efficient neural communication.
Cell Body
The cell body, also known...

Anatomy of the Brain: Major Regions

Anatomy of the Brain: Major Regions

The brain is the most complex organ in the human body. It consists of four main parts: the cerebrum, diencephalon, cerebellum, and brainstem.
The cerebrum is the largest section of the brain and divides into left and right hemispheres, separated by a deep fissure. The cerebral outer layer of grey matter — the cerebral cortex — comprises elevations called gyri and shallow groves called sulci. The inner portion of white matter includes long nerve fibers known as axons, which connect various areas...

What is a Nervous System?

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Structural Organization of the Human Body: An Overview

Structural Organization of the Human Body: An Overview

It is convenient to consider the body's structures in terms of fundamental levels of organization that increase in complexity: subatomic particles, atoms, molecules, organelles, cells, tissues, organs, organ systems, and organisms.
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Cerebrum: Anatomical Overview II

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Each cerebral hemisphere can be divided into three main regions. The outermost region, the cerebral cortex, is a thin layer (2 to 4 millimeters thick) made up of gray matter, consisting of neuron cell bodies, dendrites, glial cells, and blood vessels. The middle region, or white matter, is primarily composed of myelinated nerve fibers organized into three types of large tracts: association fibers, commissures, and projection fibers. Association fibers connect different areas within the same...

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Related Experiment Video

Updated: May 8, 2026

Electroporation of Sliced Human Cortical Organoids for Studies of Gene Function

Electroporation of Sliced Human Cortical Organoids for Studies of Gene Function

Published on: November 29, 2024

The human brain-from cells to society.

Eva Hoogland¹, Iain Patten, Stephane Berghmans

¹Humanities and Social Sciences Unit, European Science Foundation Strasbourg, France.

Frontiers in Human Neuroscience

|August 23, 2013

Summary

European experts convened to outline key areas for advancing brain health and mental well-being. Recommendations include integrated neuropsychotherapeutics, better disease models, and understanding brain-environment interactions for a healthier society.

Keywords:

human brain mental health research policy translational research

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Perspectives on Neuroscience

Perspectives on Neuroscience

Published on: July 31, 2007

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Generation of Standardized and Reproducible Forebrain-type Cerebral Organoids from Human Induced Pluripotent Stem Cells

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Perspectives on Neuroscience

Perspectives on Neuroscience

Published on: July 31, 2007

Area of Science:

Neuroscience
Psychiatry
Sociology
Bioethics

Background:

European Science Foundation (ESF) convened experts in December 2011.
Discussion focused on developing a healthier, brain-aware European society.
The perspective summarizes key outcomes and considerations for improving mental health in Europe.

Purpose of the Study:

To outline critical considerations for enhancing mental health in Europe.
To identify research priorities for a brain-aware society.
To provide a pan-European scientific endorsement for future initiatives.

Main Methods:

Expert consensus meeting organized by the ESF.
Multidisciplinary and geographically diverse expert participation.
Synthesis of discussion outcomes into key recommendations.

Main Results:

Development of integrated neuropsychotherapeutic approaches for psychiatric disorders.
Creation of more valid disease models for psychiatric research.
Improved understanding of biology-environment interactions, developmental plasticity, and pathology.
Need for comparative studies on the sociocultural understanding of brain science.
Research into legal and ethical implications of neurotechnologies and behavioral interventions.

Conclusions:

The identified topics have strong scientific and pan-European endorsement.
Future work will focus on research strategy, science policy, societal implications, and legal/ethical frameworks for these five areas.
These conclusions provide a roadmap for advancing brain health and mental well-being across Europe.