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Topic: Brodmann area 18

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	Brodmann
		Cytoarchitecturally bounded rostrally by the preparietal area 5 and the caudal postcentral area 2; caudally by the peristriate area 19; and medially by the dorsal posterior cingulate area 31.
		Cytoarchitecturally bounded dorsocaudally by the intermediate frontal area 8, caudally by the agranular frontal area 6, and ventrally by the frontopolar area 10, the middle frontal area 46 and the opercular area 44.
		Cytoarchitecturally bounded on the rostral and lateral aspects of the hemisphere by the frontopolar area 10, the orbital area 47, and the triangular area 45; on the medial surface it is bounded dorsally by the area 12 and caudally by the subgenual area 25.
	spot.colorado.edu /~dubin/talks/brodmann/neuronames.html (2127 words)

	BASIC CEREBRAL CORTEX FUNCTION OTHER THAN VISION
		Fibers from the medial geniculate nucleus of the thalamus terminate in layer 4 of the primary auditory cortex (Brodmann area 41).
		Brodmann area 42 is the auditory association cortex which probably includes among its functions the discrimination of sequences of sound patterns.
		The posterior and lower portion of area 6 is known as the premotor cortex (PMC), whereas the anterior and upper portion of area 6 is known as the supplementary motor area (SMA).
	www.benbest.com /science/anatmind/anatmd6.html (5875 words)

	Neurological Exam: Cerebrum: Anatomy
		Brodmann’s areas 3, 2,1 (on the postcentral gyrus) is the primary somatosensory cortex; area 17 (cuneus and lingual gyri) receives visual input; area 41 (transverse temporal gyrus) is for auditory sense.
		Areas 5 and 7 are secondary to somatosensory areas 3,2,1; areas 18 and 19 are secondary to visual area 17; areas 42 and 22 are secondary to auditory area 41; area 28 is secondary to olfactory area 34.
		Near areas 39 and 40, at the posterior margin of area 22, is Wernicke’s speech area; it is connected with Broca’s motor speech area by long associational fibers of the white matter, injury to Wernicke’s area results in receptive aphasia.
	isc.temple.edu /neuroanatomy/lab/lesions/43.htm (847 words)

	Brodmann area 18 - Wikipedia, the free encyclopedia
		Brodmann area 18 is a subdivision of the cerebral cortex of the guenon defined on the basis of cytoarchitecture.
		It is topographically and cytoarchitecturally homologous to parastriate area 18 of the human (Brodmann-1909).
		Like area 17 of Brodmann-1905, area 18 is relatively thin; the three deep layers are thin relative to the three outer layers; distinct boundaries between layers; abundance of granule cells; narrow layer VI; and sharp boundary between cortex and subcortical white matter.
	en.wikipedia.org /wiki/Brodmann_area_18 (459 words)

	THE BRAIN FROM TOP TO BOTTOM
		Broca’s area is generally defined as comprising Brodmann areas 44 and 45, which lie anterior to the premotor cortex in the inferior posterior portion of the frontal lobe.
		Wernicke’s area, of which the temporal planum is a key anatomical component, is located on the superior temporal gyrus, in the superior portion of Brodmann area 22.
		This lobule is composed mainly of two distinct regions: caudally, the angular gyrus (area 39), which itself is bounded by the visual occipital areas (areas 17, 18, and 19), and dorsally, the supramarginal gyrus (area 40) which arches over the end of the lateral sulcus, adjacent to the inferior portion of the somatosensory cortex.
	thebrain.mcgill.ca /flash/a/a_10/a_10_cr/a_10_cr_lan/a_10_cr_lan.html (4143 words)

	The Human Brain
		Brodmann assigned numbers to various brain regions by analyzing each area's cellular structure starting from the central sulcus [the boundary between the frontal and parietal lobes].
		As you may notice, many of the areas that are involved in the same general cognitive functions are numbered sequentially (or almost).
		Areas that perform the same tasks use essentially the same types of cells.
	www.umich.edu /~cogneuro/jpg/Brodmann.html (242 words)

	Brodmann area
		A Brodmann area is a region in the brain cortex defined by its histologic characteristics.
		Brodmann areas were originally defined by Korbinian Brodmann and referred to by numbers from 1 to 52.
		Some of the original areas have been subdivided further and referred to, e.g., as "23a" and "23b".
	www.mrsci.com /Neuroscience/Brodmann_area.php (67 words)

	SEMANTIC APHASIAS
		The secondary visual area is involved in the perception of visual patterns, viz, in the recognition of so-called "simultaneous patterns", as opposed to the "sequential patterns" with which the
		The temporo-parieto-occipital area is phylogenetically one of the newest areas of the human cortex and constitutes the "zone of overlap" between.
		Destruction of the area produced a number of signs that Luria judged could be traced to a loss of "simultaneous schemata", i.e., to loss of the memory for, or ability to recognize, patterns in a group of auditory, visual, and/or somesthetic stimuli occurring simultaneously.
	www.wanprc.org /luria/semantic1.html (919 words)

	Sensory Systems (Site not responding. Last check: 2007-10-10)
		The striate cortex, also known as Brodmann's area 17 is the primary visual cortex which "sees the image." The brain interprets the right visual field via the left cortex and the left visual field via the right cortex.
		Area 18 allows the recognition of the objects and tracts from this area proceed to area 19 as well as to midbrain regions which incorporate eye movements.
		Brodmann's areas 42 and 22 are association cortex regions receiving direct input from area 41, which provide the recognition of verbal information (left hemisphere) and music recognition (right hemisphere).
	nanonline.org /nandistance/nanneuro2/modules/sense/sense.html (3532 words)

	Maintenance
		A Brodmann piano consists of thousands of different moving parts, all of which have been expertly set up, regulated and tuned by the factory to produce the final instrument you purchased.
		The ideal environment can be set at between 50% to 55% relative humidity and about 18 -20 degrees Celsius for the whole room in which the piano is located, not just the local area around the piano.
		It is very important to stand your Brodmann in the correct place within your room, not only for the best results for sound production, but also to ensure that no other external factors detrimentally affect the piano in any way.
	www.brodmann-pianos.com /index.php?id=97 (841 words)

	Neuroananatomy_Exam_II
		Brodmann’s area 4 (post central gyrus) is one of the motor areas of the brain.
		Brodmann’s area 8 is the region of the brain that is responsible for the saccades
		The pretectal area of the brain stem is caudal to the superior colliculi.
	www.mc.edu /~sbaldwin/Neuroanatomy_Exam_II.html (1428 words)

	CRL Newsletter Article 4-4
		New data on the large number of modality-specific areas in the post-central cortex of several non-human primates, and recent anatomical and functional studies of the human brain suggest that very little of the cortex consists of poly-modal 'association' areas.
		The main difference between the maps is the reduced size of the areas between V2 and MT in owl mon- keys, the shape of V3 (owl monkey DM, its probably homolo- gue, is much less elongated than the macaque area), and the somewhat larger size of several inferotemporal areas.
		All areas shown are visual except for area PM (owl monkey) and area STP (macaque), which border on somatosensory and auditory cortices (not shown).
	crl.ucsd.edu /newsletter/4-4/Article1.html (5385 words)

	Cecil Textbook of Medicine : />
		The isotypic primary visual receiving area (Brodmann area 17) forms the lips of the calcarine sulcus on the medial aspect of the occipital lobes.
		Ictal hallucinations arising from area 17 generally consist of contralateral lights (or darkness) moving from the periphery to the center of the visual fields.
		Focal seizures arising from areas 18 or 19 may be motionless and pulsatile and may occur in the ipsilateral and the contralateral hemifields.
	www.merckmedicus.com /ppdocs/us/common/cecils/chapters/432_005.htm (769 words)

	Neuroanatomy_Exam_III
		The septal nucleus is medial to the nucleus accumbens in the septal area of the forebrain.
		The supplementary motor area is found in Brodmann’s areas 5 and 7.
		Brodmann’s areas 9, 10, 11 and 12 are found in the frontal lobe.
	www.mc.edu /~sbaldwin/Neuroanatomy_Exam_III.html (1515 words)

	HyperBrain Syllabus Chapter 7
		The layered arrangement of the retina is modified in the fovea, the retinal area that is essential for acute color vision (#7601).
		Adjacent to primary visual cortex (V1) are the visual association cortical areas, including Brodmann’s area 18 (V2 and V3) (#4350).
		The relation of the pretectal area (#6307) to the corpus callosum, thalamus, and inferior temporal lobe can be seen in myelin or gross coronal sections (fig 7l).
	www-medlib.med.utah.edu /kw/hyperbrain/syllabus/syllabus7.html (1966 words)

	Neurons Different in Left, Right Brain Structure (Site not responding. Last check: 2007-10-10)
		On the left side of the brain is an area called Brodmann’s area 22, that help generate and help the understanding of individual words, and on the right side of the brain it helps tell the difference between melody, pitch, and sound intensity.
		Researchers took six men and one woman who had died within 18-24 hours, and took two samples from the Brodmann’s area 22 of their brains to examine, one from the right side and one from the left side.
		He is proof to me that this study is correct because the study said the right side of the brain in the Brodmann’s area 22 helps discriminate between melody, pitch, and sound intensity.
	home.houston.rr.com /waltmon/Item_6.html (597 words)

	The Torch: The World is in the Eye
		This means that the ganglion cell is excited by light of a particular wavelength, which strikes the middle of the area that the cell receives input from, but is inhibited by the same wavelength when it falls in the surrounding area.
		From V2 and V4 (another border area) connections end in the inferotemporal cortex, which as the name states, is an area in the lower part of the temporal cortex.
		The large area of the retina covered by each of these neurons should be viewed in context, in that the columns here are not ordered according to position on the retina, in contrast to V1, V2 or V5 for instance.
	www.faklen.dk /en/the_torch/eye.shtml (4247 words)

	Brodmann area - Wikipedia, the free encyclopedia
		Brodmann (1907), it is true, prepared a map of the human brain which has been widely reproduced, but, unfortunately, the data on which it was based was never published
		12 - Orbitofrontal area (used to be part of BA11, refers to the area between the superior frontal gyrus and the inferior rostral sulcus)
		52 - Parainsular area (at the junction of the temporal lobe and the insula)
	en.wikipedia.org /wiki/Brodmann_area (430 words)

	Multiple Realizability Revisited
		Throughout, Brodmann used the same numbering systems to identify what he took to be homologous areas in the different species, arguing that there is similarity in the overall patterns of parcellation, constancy in broader regions across species, and persistence of individual areas.
		Topographical organization, which refers to the orderly projection of the visual field over each area, was useful in distinguishing about half of the areas, while common connectivity patterns between cells in one area and those in another, were useful for identifying most all of the areas.
		Connectivity is important insofar as it provides the vehicle for information to be moved from one processing area to another, and topography preserves the orderly arrangement of the visual scene, as projected onto the retina, so as to allow spatial relations in the processing area to stand in for spatial relations in the visual scene.
	mechanism.ucsd.edu /~bill/research/multiple.htm (3281 words)

	Gall's Legacy Revisited
		Moreover, whereas the temporal pathway is primarily sensitive to foveal areas, the parietal pathway is equally sensitive to foveal and peripheral areas.
		The lateral occipital area activated during spatial visual processing overlapped with the areas activated during face matching but tended to be closer to the occipitoparietal border and did not include the more anterior and superior occipitotemporal region (1623).
		Both the blob and the interblob areas (the latter are primarily driven by P cells in LGN) of V1 project to distinct parts of V4 and the posterior inferior temporal cortex, although V4 also receives input from the cells in V3, part of the M stream.
	mechanism.ucsd.edu /~bill/research/gall.html (10825 words)

	Miracle In The Eye - Harun Yahya
		This area, a few centimeters wide and only 2.5 millimeters thick, is made up of six layers containing a total of hundred million neurons (nerve cells).
		Brodmann's areas 18 and 19, which lie just in front of area 17, store the previous visual knowledge.
		This area is activated by the impulses of the primary visual cortex, but the sufferer becomes significantly less able (even totally unable) to recognize familiar objects on sight-a condition termed visual agnosia.
	www.harunyahya.com /books/science/miracle_eye/miracle_eye_03.php (5299 words)

	Physiology of adult Homo sapiens - Nervous system (Site not responding. Last check: 2007-10-10)
		Brodmann's areas : areas of the cerebral cortex distinguished by hypothesized differences in the arrangement of their 6 cellular layers and identified by numbers; although the histologic basis is in dispute, the topographic numbering is widely used as a descriptor for mapping cortical locations that control different functions of the nervous system and the body
		sensorimotor area : the cortex of the Brodmann's area 4 / precentral gyrus and postcentral gyrus—the motor area and the primary receptive area for general sensations, respectively.
		auditory (receiving) areas : 2 contiguous areas of the temporal lobe in the region of the anterior transverse temporal gyrus (Brodmann's areas 41 and 42); designated AI (first or primary auditory area) and AII (second or secondary auditory area).
	focosi.altervista.org /nervoussystem.html (14856 words)

	The Economist: The Biology of Music
		The zones involved (called Brodmann’s area 18 and 19) are better known as the site of the “mind’s eye”—the place where images are conjured up by the imagination alone.
		What that means is not yet clear, though the same two zones are also known, as a result of another PET study by Justine Sergent and her colleagues at McGill University, in Montreal, to be active in the brains of pianists when they are playing their instruments.
		When the individuals heard dissonance, areas of their limbic systems known to be responsible for unpleasant emotion lit up and, moreover, the volunteers used negative adjectives to describe their feelings.
	cogweb.ucla.edu /Abstracts/Music_00.html (2475 words)

	The AFNI TTatlas+tlrc Dataset — AFNI and NIfTI Server for NIMH/NIH/PHS/DHHS/USA/Earth
		The complete list of area and gyral names is given in the dataset description below.
		In these TT*.txt files, the blanks in the region names have been replaced by the underscore "_" character, to make it easy to read the lines into a program (e.g.,Â inÂ C, one could use a format "%f%f%f%s" to read each line into 3 floats and a char array).
		This dataset has 2 byte-valued sub-bricks at 1 mm resolution (please note that it is stored at the "small Talairach brick" size).
	afni.nimh.nih.gov /afni/doc/misc/afni_ttatlas (513 words)

	Roi Alphabetic index
		WOROI: 284 - Area cingularis anterior dorsalis (Dorsal anterior cingulate).
		WOROI: 46 - Frontopolar area 10 (Brodmann area 10).
		WOROI: 263 - Posterior transverse temporal area (Posterior transverse temporal gyrus).
	hendrix.imm.dtu.dk /services/jerne/brede/index_roi_alphabetic.html (3640 words)

	[No title]
		The difference is attributed to structures in the left hemisphere of the brain, specifically two areas called the Broca’s area and the Wernicke’s area located in the frontal and temporal lobes respectively.
		They found that the planum temporale, a key site found within the Wernicke’s area, was larger in the left hemisphere for 17 out of the 18 brains examined, demonstrating an asymmetry of the ape brain.
		They found that Brodmann’s area 44, a part of the Broca’s region, was larger in the left hemisphere of the ape brains, once again suggesting the asymmetry of the ape brain.
	pages.prodigy.net /ashajohn/ch5sub5.html (517 words)

	PET scan shows homologs of Broca's and Wernicke's area in the macaque are activated by species-specific calls (Site not responding. Last check: 2007-10-10)
		Researchers have found that parts of the macaque brain that are homologs to Broca's area (Brodmann's area 44 and 45) and Wernicke's area (Brodmann's area 22), or more specifically the perisylvian areas, are activated when the monkeys were presented recordings of other macaque monkeys.
		Macaque coo's and screams activated much higher levels of organization and region specific areas of the perisylvian areas, more specifically the tempoparietal area of the superior temporal gyrus, than the non-biological sounds which activated a much broader region of the auditory cortex.
		The similarity in brain structure between humans and the macaque and their distance on the evolutionary tree suggest that the neural development of the regions responsible for language may have exapted 25-30 million years ago with the last common ancester between the two species.
	cognews.com /1155938240 (528 words)

	Functional and Structural Analysis of the Visual System in the Rhesus Monkey Model of Optic Nerve Head Ischemia -- ...
		A bare area (X) with an absence of nuclei exhibiting CB labeling was present between two areas of CB-positive nuclei in the right V2 suprastriate cortex (Brodmann’s area 18) in an ET-1–treated monkey.
		The area without CB labeling may represent neurons arising from the ET-1–treated right eye, and the adjacent areas with CB labeling represent neurons receiving input from the left retina.
		This section is from near the occipital pole along the calcarine sulcus (Brodmann’s area 17).
	www.iovs.org /cgi/content/full/45/6/1830 (6509 words)

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