Ipsilateral connections of the anterior cingulate cortex with the frontal and medial temporal cortices in the macaque monkey

Arikuni, Tomio; Sako, Hiroko; Murata, Akira

doi:10.1016/0168-0102(94)90065-5

Cited by 86 publications

(84 citation statements)

References 62 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Histological studies in monkeys have revealed that the frontopolar cortex connects with emotion processing regions, such as the amygdala, the anterior thalamic nuclei, and the anterior cingulate, although its connection with the amygdala is sparse. [20][21][22] The connections of the lateral PFC with these regions are almost the same as those of the frontopolar cortex, but its connection with the anterior thalamic nuclei is sparse. 21 From an anatomical viewpoint, it is possible that the frontopolar and lateral PFCs are activated by receiving inputs from the emotion processing regions, in which visual stimuli-induced unpleasant emotions are initially processed.…”

Section: Figmentioning

confidence: 76%

Recognition of Human Emotions from Cerebral Blood Flow Changes in the Frontal Region: A Study with Event-Related Near-Infrared Spectroscopy

Hoshi

Huang²,

Kohri³

et al. 2011

Journal of Neuroimaging

112

View full text Add to dashboard Cite

The aim of this study is to develop a near-infrared spectroscopy (NIRS)-based system that recognizes pleasant and unpleasant human emotions based on cerebral blood flow (CBF) in order to understand the minds of patients whose brain function is severely impaired. The forehead region is easily accessible to NIRS measurements, whereas the role of the anterior prefrontal cortex (PFC) in the processing of emotion remains to be elucidated. METHODSInitially, using event-related NIRS we examined changes in oxygenated hemoglobin (oxyHb) as an indicator of regional CBF changes, which reflect brain activity directly related to emotions, but not to cognitive operations in the anterior frontal regions, during viewing affective pictures. The event-related potentials (ERPs), systemic blood pressure, and pulse rate were also measured simultaneously. RESULTSThe event-related analysis of changes in oxy-Hb for a 6 s-picture presentation period showed that very unpleasant emotion was accompanied by an increase in oxy-Hb in the bilateral ventrolateral PFCs, while very pleasant emotion was accompanied by a decrease in oxy-Hb in the left dorsolateral PFC. There were no significant differences in either ERPs or autonomic nervous system activities between the two emotional states. CONCLUSIONThese findings suggest the possibility of recognizing patients' emotions from CBF changes.

show abstract

Section: Figmentioning

confidence: 76%

Recognition of Human Emotions from Cerebral Blood Flow Changes in the Frontal Region: A Study with Event-Related Near-Infrared Spectroscopy

Hoshi

Huang²,

Kohri³

et al. 2011

Journal of Neuroimaging

112

View full text Add to dashboard Cite

show abstract

“…For the construction of the neural networks, voxels identified by the seed PL S were selected based on their bootstrap ratio and their f unctional relevance to visual memory (as described in the literature on visual memory and related tasks; Orban and Vogels, 1998;Orban et al, 1998). The anatomical projections among the nodes of the network were determined based on the neuroanatomy of nonhuman primates (Petrides and Pandya, 1988;Pandya and Yeterian, 1990;Knierim andVan Essen, 1992, Gloor et al, 1993;Arikuni et al, 1994;Bachevalier et al, 1997).…”

Section: Methodsmentioning

confidence: 99%

Corticolimbic Interactions Associated with Performance on a Short-Term Memory Task Are Modified by Age

et al. 2000

View full text Add to dashboard Cite

Aging has been associated with a decline in memory abilities dependent on hippocampal processing. We investigated whether the functional interactions between the hippocampus and related cortical areas were modified by age. Young and old subjects' brain activity was measured using positron emission tomography (PET) while they performed a short-term memory task (delayed visual discrimination) in which they determined which of two successively presented sine-wave gratings had the highest spatial frequency. Behavioral performance was equal for the two groups. Partial least squares (PLS) analysis of PET images identified a hippocampal voxel whose activity was similarly correlated with performance across groups. Using this voxel as a seed, a second PLS analysis identified cortical regions functionally connected to the hippocampus. Quantification of the neural interactions with structural equation modeling suggested that a different hippocampal network supported performance in the elderly. Unlike the neural network engaged by the young, which included prefrontal cortex Brodmann's area (BA) 10, fusiform gyrus, and posterior cingulate gyrus, the network recruited by the old included more anterior areas, i.e., dorsolateral prefrontal cortex (BA 9/46), middle cingulate gyrus, and caudate nucleus. Recruitment of a distinct corticolimbic network for visual memory in the elderly suggests that age-related neurobiological deterioration not only results in focal changes but also in the modification of large-scale network operations. Key words: aging; functional connectivity; hippocampus; partial least squares; short-term memory; structural equation modeling; visual memory; plasticityThere is consensus about the critical role of the hippocampus in declarative memory (Milner, 1978;Squire and Zola-Morgan, 1991;Eichenbaum et al., 1996;Tulving and Markowitsch, 1998). There is also little doubt that memory capacities dependent on hippocampal processing decline with age. Until recently, memory decay in the elderly was thought to originate in deficient hippocampal processing associated with its anatomical deterioration. However, neuroanatomical studies demonstrating no changes in hippocampal cell number and size across age have questioned this old hypothesis (Sullivan et al., 1995;Rapp and Gallagher, 1996;Morrison and Hof, 1997). Recently, Smith et al. (1999) have shown that agerelated structural degeneration occurs in subcortical neuronal populations of the basal forebrain, which constitute a major cholinergic input to neocortex. Thus, loss of critical subcortical afferents, together with age-related molecular changes in receptor number and dendritic arborization (Morrison and Hof, 1997), may act to disrupt hippocampal physiology (Barnes, 1979;Barnes and McNaughton, 1980;Bach et al., 1999) and consequently, memory performance Gallagher and Rapp, 1997; Tanila et al., 1997a,b). Given the current scenario, examination of functional interactions between the hippocampus and its afferents is critical for understanding the basis of age-rela...

show abstract

“…Parietal cortex has access to visual information from retinotopically organized areas in the visual cortex (Blatt et al 1990;Colby et al 1988;Galletti et al 1999aGalletti et al , 1999bPandya and Kuypers 1969;Shipp et al 1998), while PMd receives visuospatial information mainly via parietal areas (Pandya and Kuypers 1969;Wise et al 1997). PMd, instead, receives direct projections from the prefrontal cortex (Barbas 1988;Barbas and Mesulam 1985;Cavada et al 2000;Luppino et al 2003;Petrides and Pandya 1999;Selemon and Goldman-Rakic 1988), involved in abstract rule representation Miller 2003a, 2003b), as well as the anterior cingulate cortex (Arikuni et al 1994;Morecraft and Van Hoesen 1993;Pandya et al 1981). Previous studies suggest that both PRR and PMd are involved in the spatial representation of motor goals (Hartje and Ettlinger 1973;Mountcastle et al 1975;Murata et al 1996;Seal and Commenges 1985;Weinrich and Wise 1982;Wise et al 1986), including dual representations of potential motor goals during ambiguous reach planning (Cisek and Kalaska 2005;Klaes et al 2011).…”

mentioning

confidence: 99%

Synchronization patterns suggest different functional organization in parietal reach region and dorsal premotor cortex

Chakrabarti

Martinez-Vazquez

Gail

2014

Journal of Neurophysiology

View full text Add to dashboard Cite

Chakrabarti S, Martinez-Vazquez P, Gail A. Synchronization patterns suggest different functional organization in parietal reach region and dorsal premotor cortex. J Neurophysiol 112: 3138-3153, 2014. First published September 17, 2014 doi:10.1152/jn.00621.2013.-The parietal reach region (PRR) and dorsal premotor cortex (PMd) form part of the fronto-parietal reach network. While neural selectivity profiles of single-cell activity in these areas can be remarkably similar, other data suggest that both areas serve different computational functions in visually guided reaching. Here we test the hypothesis that different neural functional organizations characterized by different neural synchronization patterns might be underlying the putatively different functional roles. We use cross-correlation analysis on single-unit activity (SUA) and multiunit activity (MUA) to determine the prevalence of synchronized neural ensembles within each area. First, we reliably find synchronization in PRR but not in PMd. Second, we demonstrate that synchronization in PRR is present in different cognitive states, including "idle" states prior to task-relevant instructions and without neural tuning. Third, we show that local field potentials (LFPs) in PRR but not PMd are characterized by an increased power and spike field coherence in the beta frequency range (12-30 Hz), further indicating stronger synchrony in PRR compared with PMd. Finally, we show that neurons with similar tuning properties tend to be correlated in their random spike rate fluctuations in PRR but not in PMd. Our data support the idea that PRR and PMd, despite striking similarity in single-cell tuning properties, are characterized by unequal local functional organization, which likely reflects different network architectures to support different functional roles within the fronto-parietal reach network.

show abstract

Ipsilateral connections of the anterior cingulate cortex with the frontal and medial temporal cortices in the macaque monkey

Cited by 86 publications

References 62 publications

Recognition of Human Emotions from Cerebral Blood Flow Changes in the Frontal Region: A Study with Event-Related Near-Infrared Spectroscopy

Recognition of Human Emotions from Cerebral Blood Flow Changes in the Frontal Region: A Study with Event-Related Near-Infrared Spectroscopy

Corticolimbic Interactions Associated with Performance on a Short-Term Memory Task Are Modified by Age

Synchronization patterns suggest different functional organization in parietal reach region and dorsal premotor cortex

Contact Info

Product

Resources

About