Head Direction Cells and the Neural Mechanisms of Spatial by Sidney I. Wiener, Jeffrey S. Taube
By Sidney I. Wiener, Jeffrey S. Taube
Head path cells—neurons that fireplace simply while an animal orients its head in a undeniable direction—are present in numerous diverse mind components, with various neurons selective for various head orientations; they're stimulated through landmarks in addition to motor and vestibular details pertaining to how the pinnacle strikes via house. those homes recommend that head course cells play a big function in opting for orientation in house and in navigation. furthermore, the prominence, power, and readability of head course indications point out their significance over the process evolution and recommend that they could function a necessary key for realizing mind functionality. This publication provides the most recent findings on head path cells in a finished remedy that might be a beneficial reference for college students and researchers within the cognitive sciences, neuroscience, computational technological know-how, and robotics. The booklet starts off by way of providing head course telephone homes and an anatomical framework of the top course approach. It then seems to be on the sorts of sensory and motor details that regulate head course mobile firing, masking themes together with the combination of various indications; the connection among head path mobilephone job and an animal's spatial habit; and spatial and directional orientation in nonhuman primates and people. The publication concludes with an educational demonstrating the implementation of the continual attractor community, a computational version of head course cells, and an program of this process for a navigational procedure for cellular robots.
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Additional resources for Head Direction Cells and the Neural Mechanisms of Spatial Orientation
I. Anatomical distribution and behavioral modulation. Exp Brain Res 101: 8–23. Cho J, Sharp PE (2001) Head direction, place, and movement correlates for cells in the rat retrosplenial cortex. Behav Neurosci 115: 3–25. Hayakawa T, Zyo K (1984) Comparative anatomical study of the tegmentomammillary projections in some mammals: A horseradish peroxidase study. Brain Res 300: 335–349. Hayakawa T, Zyo K (1985) Afferent connections of Gudden’s tegmental nuclei in the rabbit. J Comp Neurol 235: 169–181.
2 Neuroanatomy of Head Direction Cell Circuits David A. , 2001). , 1994; Cho and Sharp, 2001), lateral dorsal thalamic nucleus (Mizumori and Williams, 1993) and striatum (Wiener, 1993). , 2002). This chapter will focus on the primary HD cell way stations and their connections. In a series of elegant studies, two groups of investigators (van Groen, Wyss and colleagues; Shibata) have delineated the efferent and afferent connectivity of the subicular and retrosplenial cortices and their relationships with the thalamus and other subcortical structures, including the hypothalamus and dorsal striatum.
The lateral mammillary nucleus (LM) is a single, roughly spherical nucleus that has no apparent subdivisions. 4B), in which three to six subnuclei have been identified. On the basis of cytoarchitectonic and Golgi studies, Allen and Hopkins (1988) strived to consolidate the different MB parcellations, taking into account connectivity as well. This approach led to the conclusions that the cellular organization of the LM was rather uniform with distinct, large neurons, and the medial nucleus could be subdivided into five smaller subnuclei.