WOROI: 30 - Midbrain
 
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WOROI: 30 - Midbrain

The midbrain is (traditionally) the upper part of the brain stem and lies above (rostral) to the pons and below (caudal) to the diencephalon. Moos and Møller divides it into a dorsal part (cerebral peduncle) and a ventral part (midbrain tectum).

Abbreviation: MB

Variation: Mesencephalon

External databases

MeSH UID: D008636
BrainInfo: 445
Wikipedia: Mesencephalon

Taxonomy

ParentsSiblingsChildren
Brain
Brain stem
  Cerebral peduncle
Tectum
Midbrain cranial nerve nucleus

Talairach coordinates

  x     y     z   Lobar anatomy WOBIB WOEXP
8 -27 1 Midbrain 47 151
-4 -37 -18 Midbrain 47 151
-9 -25 -11 Midbrain 47 152
2 -24 0 Periaqueductal gray/midbrain 58 184
-6 -14 -16 Left midbrain 68 210
6 -12 -9 Right midbrain 91 292
-4 -14 -3 Midbrain 93 294
-10 -16 -9 Midbrain 93 295
-3 -20 5 Bilaterally in the hypothalamus and the central grey of the midbrain 99 310
1 -35 -20 Dorsal midbrain 102 319
12 -10 -4 Midbrain 177 541
-10 -20 -4 Midbrain 177 541
10 -12 -4 Midbrain 177 542
10 -12 -4 Midbrain 177 544
-12 -14 -4 Midbrain 177 544
14 -10 -8 Midbrain 177 545
-6 -34 -4 Midbrain 177 547
14 -6 -4 Midbrain 177 548
-12 -10 -4 Midbrain 177 548
-3 -25 -2 Midbrain/periaqueductal grey 179 562

Summary

  x     y     z   Description
-7 -21 -6 Mean coordinate in left hemisphere
9 -16 -6 Mean coordinate in right hemisphere
8 -19 -6 Mean coordinate with ignored left/right
1 -37 -20 Minimum coordinate with ignored left/right
14 -6 5 Maximum coordinate with ignored left/right
4 9 6 Standard deviation with ignored left/right
corner cube of WOROI: 30 - Midbrain

Text contexts

Micturition versus rest was associated with bilateral activation of areas close to the postcentral gyrus, inferior frontal gyrus, globus pallidus, cortex cerebelli, vermis and midbrainS. Nour; Claus Svarer; J. K. Kristensen; O. B. Paulson; I. Law. Cerebral activation during micturition in normal men. Brain 123 ( Pt 4):781-9, 2000. PMID: 10734009. WOBIB: 17.
The activity in the somatosensory association areas and periaqueductal gray/midbrain were significantly modified, iP. Petrovic; K. M. Petersson; P. H. Ghatan; S. Stone-Elander; M. Ingvar. Pain-related cerebral activation is altered by a distracting cognitive task. Pain 85(1-2):19-30, 2000. PMID: 10692599. WOBIB: 58.
Pleasant and unpleasant emotions were each distinguished from neutral emotion conditions by significantly increased cerebral blood flow in the vicinity of the medial prefrontal cortex (Brodmann's area 9), thalamus, hypothalamus and midbrain (P < 0Richard D. Lane; Eric M. Reiman; M. M. Bradley; P. J. Lang; Geoffrey L. Ahern; Richard J. Davidson; Gary E. Schwartz. Neuroanatomical correlates of pleasant and unpleasant emotion. Neuropsychologia 35(11):1437-44, 1997. PMID: 9352521. BrainMap: 276. WOBIB: 93.
Subcortically, conditioning increased rCBF bilaterally in the ventromedial thalamus, the posterior hypothalamus and the central grey of the midbrainM. Fredrikson; G. Wik; Håkan Fischer; J. Andersson. Affective and attentive neural networks in humans: a PET study of Pavlovian conditioning. NeuroReport 7(1):97-101, 1995. PMID: 8742426. WOBIB: 99.
The ipsilateral premotor cortex and thalamus, and the medial dorsal midbrain and cerebellar vermis, also showed significant rCBF increasesK. L. Casey; S. Minoshima; T. J. Morrow; R. A. Koeppe. Comparison of human cerebral activation pattern during cutaneous warmth, heat pain, and deep cold pain. Journal of Neurophysiology 76(1):571-81, 1996. PMID: 8836245. WOBIB: 102.
Parts of the limbic system associated with the midbrain dopamine system, including paralimbic cortex, are preferentially activated by decisions involving immediately available rewardsSamuel M. McClure; David I. Laibson; George Loewenstein; Jonathan D. Cohen. Separate Neural Systems Value Immediate and Delayed Monetary Rewards. Science 306(5695):503-507, 2004. PMID: 15486304. DOI: 10.1126/science.1100907. FMRIDCID: . WOBIB: 184.

Text count

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Roi -> Alphabetic | Hammers | Tzourio-Mazoyer | Svarer | Top | Functional areas | Brodmann areas ]
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