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Related Concept Videos

Anatomy of the Brain: Major Regions01:20

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...
Organization of the Brain01:30

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...
Anatomy of the Brain: Ventricles01:18

Anatomy of the Brain: Ventricles

There are hollow fluid-filled cavities known as ventricles deep inside the human brain. There are two lateral ventricles, one in each cerebral hemisphere, and each has three different projections — the anterior, inferior, and posterior horns visible from the lateral side. A thin membrane called the septum pellucidum separates the two lateral ventricles. The slender third ventricle in the diencephalon is connected to each lateral ventricle via a channel called the interventricular foramen. The...
Cerebrum: Anatomical Overview I01:26

Cerebrum: Anatomical Overview I

The main and largest component of the human brain is the cerebrum. The cerebrum consists of two main parts: the cerebral cortex, an outer layer with wrinkles or folds known as gyri and shallow grooves called sulci, and a deeper region beneath it. The cerebrum divides into two distinct hemispheres and contains five different lobes: the frontal, parietal, temporal, occipital, and insula. The central sulcus separates the frontal and parietal lobes and two functionally important gyri — the...
Cerebrum: Anatomical Overview II01:11

Cerebrum: Anatomical Overview II

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...
Cerebral Hemispheres01:05

Cerebral Hemispheres

The human brain, a complex organ, is functionally divided into two cerebral hemispheres—left and right. These hemispheres are interconnected by a structure of paramount importance, the corpus callosum. This substantial bundle of neural fibers is not just a bridge between the hemispheres but a crucial element for the brain's comprehensive functioning. It enables efficient communication between the two hemispheres, allowing each side of the brain to control and receive sensory and motor...

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Related Experiment Video

Updated: Jun 22, 2026

Microdissection of Mouse Brain into Functionally and Anatomically Different Regions
08:06

Microdissection of Mouse Brain into Functionally and Anatomically Different Regions

Published on: February 15, 2021

The construction system of the brain.

Demis Hassabis1, Eleanor A Maguire

  • 1Wellcome Trust Centre for Neuroimaging, Institute of Neurology, University College London, London, UK. d.hassabis@fil.ion.ucl.ac.uk

Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
|June 17, 2009
PubMed
Summary

Cognitive construction enables future prediction and past memory recall. Understanding the neural basis of these constructive processes is crucial for advancing cognitive science and neuroscience research.

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Fabrication of an Expandable Brain Matrix Customizable Across Developmental Stages
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Last Updated: Jun 22, 2026

Microdissection of Mouse Brain into Functionally and Anatomically Different Regions
08:06

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Published on: February 15, 2021

Fabrication of an Expandable Brain Matrix Customizable Across Developmental Stages
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Construction and Implantation of a Microinfusion System for Sustained Delivery of Neuroactive Agents.
12:17

Construction and Implantation of a Microinfusion System for Sustained Delivery of Neuroactive Agents.

Published on: March 17, 2008

Area of Science:

  • Cognitive neuroscience
  • Neuroimaging
  • Psychology

Background:

  • Cognitive construction is vital for future planning and past memory recall.
  • Construction involves recreating experiences from component parts.
  • Neural correlates of construction processes are not well understood.

Purpose of the Study:

  • To review recent literature on the neural correlates of cognitive construction.
  • To explore shared processes between construction, spatial navigation, and imagination.
  • To discuss implications for memory and future prediction.

Main Methods:

  • Selective review of recent neuroimaging studies.
  • Analysis of novel experimental paradigms.
  • Characterization of underlying constructive processes and neuroanatomy.

Main Results:

  • Novel paradigms allow isolation of constructive processes.
  • Advances in understanding associated neuroanatomy.
  • Identification of potential shared neural mechanisms.

Conclusions:

  • Construction plays a critical role in memory and future thinking.
  • Further research is needed to fully elucidate neural correlates.
  • Understanding construction has implications for various cognitive functions.