The organization of the ipsi- and contralateral claustrocortical system in rat with notes on the bilateral claustrocortical projections in cat

Minciacchi, Diego; Molinari, Marco; Bentivoglio, Marina; Macćhi, G

doi:10.1016/0306-4522(85)90192-7

Cited by 87 publications

(72 citation statements)

References 43 publications

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“…These findings are generally consistent with recent studies (Minciacchi et al, 1985;Sloniewski et al, 1986b).…”

Section: Efferent Connections Of the Anterior Claustrumsupporting

confidence: 83%

“…First, it has long been shown that the claustrum is a cortically related structure originating from the cortex (Meynert, 1868;Brodmann, 1909;de Vries, 1910;Macchi, 1951;Filiminoff, 1966;Bayer and Altman, 1991;Bayer et al, 1993), whereas the dorsal endopiriform nucleus is generated in the palliostriatal ventricular angle (Bayer and Altman, 1991;Bayer et al, 1993). Second, the claustrum is heavily and reciprocally connected with neocortex (Druga, 1972(Druga, , 1982Carey and Neal, 1985;Minciacchi et al, 1985;Morys and Sloniewski, 1986;Sloniewski et al, 1986b;Druga et al, 1990;Clasca et al, 1992;Dinopoulos et al, 1992;Kowianski et al, 1996Kowianski et al, , 1998aSadowski et al, 1997a,b), whereas the dorsal endopiriform nucleus is mainly connected with the piriform, entorhinal, insular, and orbital cortices Price, 1977a,b, 1878a,b;Haberly and Price, 1978;Markowitsch et al, 1984;Wilhite et al, 1986;Witter et al, 1988;Behan and Haberly, 1999).…”

Section: Results Nomenclaturementioning

confidence: 99%

“…Anatomical data indicate that the anterior claustrum has prominent connections with the motor and frontal cortex (Minciacchi et al, 1985;Sloniewski et al, 1986b;Sadowski et al, 1997a,b;Kowianski et al, 1998a,b), which play a pivotal role in kindling (Corcoran et al, 1976;Kelly et al, 1999). We therefore hypothesized that the anterior claustrum is also markedly susceptible to kindling.…”

Section: Abstract: Kindling; Epilepsy; Seizure; Claustrum; Pha-l; Flmentioning

confidence: 99%

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Susceptibility to Kindling and Neuronal Connections of the Anterior Claustrum

et al. 2001

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The claustrum has been implicated in the kindling of generalized seizures from limbic sites. We examined the susceptibility of the anterior claustrum itself to kindling and correlated this with an anatomical investigation of its afferent and efferent connections.Electrical stimulation of the anterior claustrum resulted in a pattern of rapid kindling with two distinct phases. Early kindling involved extremely rapid progression to bilaterally generalized seizures of short duration. With repeated daily kindling stimulations, early-phase generalized seizures abruptly became more elaborate and prolonged, resembling limbic-type seizures as triggered from the amygdala. We suggest that the rapid rate of kindling from the anterior claustrum is an indication that the claustrum is functionally close to the mechanisms of seizure generalization.In support of our hypothesis, we found significant afferent, efferent, and often reciprocal connections between the anterior claustrum and areas that have been implicated in the generation of generalized seizures, including frontal and motor cortex, limbic cortex, amygdala, and endopiriform nucleus. Additional connections were found with various other structures, including olfactory areas, nucleus accumbens, midline thalamus, and brainstem nuclei including the substantia nigra and the dorsal raphe nucleus. The anatomical connections of the anterior claustrum are consistent with its very high susceptibility to kindling and support the view that the claustrum is part of a forebrain network of structures participating in the generalization of seizures.

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“…These findings are generally consistent with recent studies (Minciacchi et al, 1985;Sloniewski et al, 1986b).…”

Section: Efferent Connections Of the Anterior Claustrumsupporting

confidence: 83%

Section: Results Nomenclaturementioning

confidence: 99%

Section: Abstract: Kindling; Epilepsy; Seizure; Claustrum; Pha-l; Flmentioning

confidence: 99%

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Susceptibility to Kindling and Neuronal Connections of the Anterior Claustrum

et al. 2001

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“…In contrast, a recent investigation in awake primates found that the great majority of claustral neurons are unimodal (Remedios et al, 2010). On the efferent side, using similar techniques Minciacchi et al (1985) reported that single claustral neurons project to both anterior and posterior cortex, some ipsilaterally and some contralaterally. This suggests that single claustral cells project to more than one major cortical area.…”

Section: Introductionmentioning

confidence: 93%

Hypotheses Relating to the Function of the Claustrum

2014

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“…Kuypers et al, 1980;Catsman-Berrevoets et al, 1980;Minciacchi et al, 1985;Fritzsch and Sonntag, 1991;Harsh et al, 1991;Molander and Aldskogius, 1992). The efficacy of different individual fluorescent tracers has been tested by combined administration of more than one tracer to a nerve or to the same target region.…”

Section: Introductionmentioning

confidence: 99%