MeSH

GRAY MATTER situated above the GYRUS HIPPOCAMPI. It is composed of three layers. The molecular layer is continuous with the HIPPOCAMPUS in the hippocampal fissure. The granular layer consists of closely arranged spherical or oval neurons, called GRANULE CELLS, whose AXONS pass through the polymorphic layer ending on the DENDRITES of PYRAMIDAL CELLS in the hippocampus.

Year introduced: 1996

A convolution on the inferior surface of each cerebral hemisphere, lying between the hippocampal and collateral sulci.

Year introduced: 2000

One of the convolutions on the medial surface of the CEREBRAL HEMISPHERES. It surrounds the rostral part of the brain and CORPUS CALLOSUM and forms part of the LIMBIC SYSTEM.

The rostral part of the frontal lobe, bounded by the inferior precentral fissure in humans, which receives projection fibers from the MEDIODORSAL NUCLEUS OF THE THALAMUS. The prefrontal cortex receives afferent fibers from numerous structures of the DIENCEPHALON; MESENCEPHALON; and LIMBIC SYSTEM as well as cortical afferents of visual, auditory, and somatic origin.

Year introduced: 1993

Lower lateral part of the cerebral hemisphere responsible for auditory, olfactory, and semantic processing. It is located inferior to the lateral fissure and anterior to the OCCIPITAL LOBE.

Posterior portion of the CEREBRAL HEMISPHERES responsible for processing visual sensory information. It is located posterior to the parieto-occipital sulcus and extends to the preoccipital notch.

The medial surface of the cerebral hemisphere around the brain stem.

Year introduced: 2015

Upper central part of the cerebral hemisphere. It is located posterior to central sulcus, anterior to the OCCIPITAL LOBE, and superior to the TEMPORAL LOBES.

The region of the cerebral cortex that receives the auditory radiation from the MEDIAL GENICULATE BODY.

Year introduced: 1970(1968)

Area of the FRONTAL LOBE concerned with primary motor control located in the dorsal PRECENTRAL GYRUS immediately anterior to the central sulcus. It is comprised of three areas: the primary motor cortex located on the anterior paracentral lobule on the medial surface of the brain; the premotor cortex located anterior to the primary motor cortex; and the supplementary motor area located on the midline surface of the hemisphere anterior to the primary motor cortex.

Year introduced: 1971

Area of the parietal lobe concerned with receiving sensations such as movement, pain, pressure, position, temperature, touch, and vibration. It lies posterior to the central sulcus.

Year introduced: 1971

A pyramidal shaped region of cerebral cortex located deep below the lateral fissure in PRIMATES. It is surrounded by the SUPERIOR TEMPORAL GYRUS, the rostral PARIETAL LOBE, the INFERIOR FRONTAL GYRUS and the ORBITAL GYRI. It is the primary gustatory cortex and is involved in sensorimotor and somatosensory as well as socioemotional functions.

Year introduced: 2022(1979)

Functional region comprising posterior part of the SUPERIOR TEMPORAL GYRUS in the dominant cerebral hemisphere (see CEREBRAL DOMINANCE) and often portions of the PARIETAL LOBE. Along with BROCA AREA it is important in SPEECH and LANGUAGE processes. A lesion in the area is associated with WERNICKE APHASIA and CONDUCTION APHASIA.

Year introduced: 2015 (1982)

An area of the olfactory cortex comprising the rostral half of the uncus of the PARAHIPPOCAMPAL GYRUS and the anterior PARAHIPPOCAMPAL GYRUS. It receives major afferents directly from the OLFACTORY BULB.

Year introduced: 2015

Axons of certain cells in the DENTATE GYRUS. They project to the polymorphic layer of the dentate gyrus and to the proximal dendrites of PYRAMIDAL CELLS of the HIPPOCAMPUS. These mossy fibers should not be confused with mossy fibers that are cerebellar afferents (see NERVE FIBERS).

Year introduced: 1998

A set of forebrain structures common to all mammals that is defined functionally and anatomically. It is implicated in the higher integration of visceral, olfactory, and somatic information as well as homeostatic responses including fundamental survival behaviors (feeding, mating, emotion). For most authors, it includes the AMYGDALA; EPITHALAMUS; GYRUS CINGULI; hippocampal formation (see HIPPOCAMPUS); HYPOTHALAMUS; PARAHIPPOCAMPAL GYRUS; SEPTAL NUCLEI; anterior nuclear group of thalamus, and portions of the basal ganglia. (Parent, Carpenter's Human Neuroanatomy, 9th ed, p744; NeuroNames, http://rprcsgi.rprc.washington.edu/neuronames/index.html (September 2, 1998)).

The upper surfaces of the prefrontal cortex comprising the rostral parts of the superior frontal gyrus and the middle frontal gyrus. It is involved in EXECUTIVE FUNCTION.

Year introduced: 2022(2016)

The surface of the parahippocampal gyrus overlying the cortical amygdaloid nucleus.

Year introduced: 2015

Functional neuroanatomical region of the inferior frontal gyrus consisting of pars opercularis and pars triangularis. It is important in SPEECH and LANGUAGE production. Injuries to Broca area are associated with BROCA APHASIA and APRAXIA.

Year introduced: 2015 (1982)

A subsection of the hippocampus, described by Lorente de No, that is located between the HIPPOCAMPUS CA2 FIELD and the DENTATE GYRUS.

Year introduced: 2010