Neurochemical and connectional organization of the dorsal pulvinar complex in monkeys

Gutiérrez, Carolina; Cola, Monique G.; Seltzer, Benjamin; Cusick, Catherine G.

doi:10.1002/(sici)1096-9861(20000327)419:1<61::aid-cne4>3.0.co;2-i

Cited by 128 publications

(121 citation statements)

References 126 publications

(199 reference statements)

Supporting

Mentioning

109

Contrasting

Order By: Relevance

“…5). Overall, the evidence is good for four or five divisions of the inferior pulvinar complex in both New World and Old World monkeys (also see Cusick, et al, 1993;Gutierrez, et al, 1995;Gutierrez and Cusick, 1997;Gray, et al, 1999;Adams, et al, 2000;Gutierrez, et al, 2000;O'Brien, et al, 2001;Weller, et al, 2002;Lyon, 2007).…”

Section: Subdivisions Of the Visual Pulvinarmentioning

confidence: 99%

Pulvinar contributions to the dorsal and ventral streams of visual processing in primates

Kaas

Lyon

2007

Brain Research Reviews

306

288

View full text Add to dashboard Cite

The visual pulvinar is part of the dorsal thalamus, and in primates it is especially well developed. Recently, our understanding of how the visual pulvinar is subdivided into nuclei has greatly improved as a number of histological procedures have revealed marked architectonic differences within the pulvinar complex. At the same time, there have been unparalleled advances in understanding of how visual cortex of primates is subdivided into areas and how these areas interconnect. In addition, considerable evidence supports the view that the hierarchy of interconnected visual areas is divided into two major processing streams, a ventral stream for object vision, and a dorsal stream for visually guided actions. In this review, we present evidence that a subset of medial nuclei in the inferior pulvinar function predominantly as a subcortical component of the dorsal stream while the most lateral nucleus of the inferior pulvinar and the adjoining ventrolateral nucleus of the lateral pulvinar are more devoted to the ventral stream of cortical processing. These nuclei provide cortico-pulvinarcortical interactions that spread information across areas within streams, as well as information relayed from the superior colliculus via inferior pulvinar nuclei to largely dorsal stream areas.

show abstract

Section: Subdivisions Of the Visual Pulvinarmentioning

confidence: 99%

Pulvinar contributions to the dorsal and ventral streams of visual processing in primates

Kaas

Lyon

2007

Brain Research Reviews

306

288

View full text Add to dashboard Cite

show abstract

“…The pulvinar nucleus, among other associative thalamic nuclei, is a good candidate to play such an integrative role, based on its connectivity with numerous cortical areas (e.g. Romanski et al, 1997;Hackett et al, 1998;Gutierrez et al, 2000) and on electrophysiological studies (Yirmiya and Hocherman, 1987;Gattass et al, 1979). …”

Section: Role Of the Thalamusmentioning

confidence: 99%

Multisensory anatomical pathways

2009

View full text Add to dashboard Cite

In order to interact with the multisensory world that surrounds us, we must integrate various sources of sensory information (vision, hearing, touch. . .). A fundamental question is thus how the brain integrates the separate elements of an object defined by several sensory components to form a unified percept. The superior colliculus was the main model for studying multisensory integration. At the cortical level, until recently, multisensory integration appeared to be a characteristic attributed to high-level association regions. First, we describe recently observed direct cortico-cortical connections between different sensory cortical areas in the non-human primate and discuss the potential role of these connections. Then, we show that the projections between different sensory and motor cortical areas and the thalamus enabled us to highlight the existence of thalamic nuclei that, by their connections, may represent an alternative pathway for information transfer between different sensory and/or motor cortical areas. The thalamus is in position to allow a faster transfer and even an integration of information across modalities. Finally, we discuss the role of these non-specific connections regarding behavioral evidence in the monkey and recent electrophysiological evidence in the primary cortical sensory areas.

show abstract

“…(1) Anatomical evidence: Unlike the ventral pulvinar, which is primarily interconnected with visual areas and receives input from the superficial layers of the superior colliculus (SC), the dorsal pulvinar has reciprocal connections with cortical areas that maintain spatial information for upcoming eye movements and are modulated by expected reward values (Kaas & Lyon, 2007;Stepniewska, 2004). Specifically, the medial portion of the dorsal pulvinar, which we focus on in the current study, is reciprocally interconnected with the posterior parietal cortex, the upper bank of the STS (Cappe, Morel, & Rouiller, 2007;Gutierrez, Cola, Seltzer, & Cusick, 2000;Yeterian & Pandya, 1989;Asanuma, Andersen, & Cowan, 1985), the pFC (Gutierrez et al, 2000;Selemon & Goldman-Rakic, 1988), and limbic structures such as the posterior parahippocampal gyrus and the posterior cingulate cortex (Baleydier & Mauguiere, 1985). This connectivity with cortical areas known to be involved in the processing of behavioral relevance has led to the hypothesis that the pulvinar enhances the processing of biologically relevant stimuli by interaction with those regions (Padmala, Lim, & Pessoa, 2010).…”

Section: Introductionmentioning

confidence: 99%

Effects of Pulvinar Inactivation on Spatial Decision-making between Equal and Asymmetric Reward Options

Wilke

Kagan

Andersen

2013

Journal of Cognitive Neuroscience

View full text Add to dashboard Cite

Abstract■ The ability to selectively process visual inputs and to decide between multiple movement options in an adaptive manner is critical for survival. Such decisions are known to be influenced by factors such as reward expectation and visual saliency. The dorsal pulvinar connects to a multitude of cortical areas that are involved in visuospatial memory and integrate information about upcoming eye movements with expected reward values. However, it is unclear whether the dorsal pulvinar is critically involved in spatial memory and reward-based oculomotor decision behavior. To examine this, we reversibly inactivated the dorsal portion of the pulvinar while monkeys performed a delayed memory saccade task that included choices between equally or unequally rewarded options. Pulvinar inactivation resulted in a delay of saccade initiation toward memorized contralesional targets but did not affect spatial memory. Furthermore, pulvinar inactivation caused a pronounced choice bias toward the ipsilesional hemifield when the reward value in the two hemifields was equal. However, this choice bias could be alleviated by placing a high reward target into the contralesional hemifield. The bias was less affected by the manipulation of relative visual saliency between the two competing targets. These results suggest that the dorsal pulvinar is involved in determining the behavioral desirability of movement goals while being less critical for spatial memory and reward processing. ■

show abstract

Neurochemical and connectional organization of the dorsal pulvinar complex in monkeys

Cited by 128 publications

References 126 publications

Pulvinar contributions to the dorsal and ventral streams of visual processing in primates

Pulvinar contributions to the dorsal and ventral streams of visual processing in primates

Multisensory anatomical pathways

Effects of Pulvinar Inactivation on Spatial Decision-making between Equal and Asymmetric Reward Options

Contact Info

Product

Resources

About