Visual cortex
TítuloEffects on EEG of low (1Hz) and high (15Hz) frequency repetitive transcranial magnetic stimulation of the visual cortex: a study in the anesthetized cat
... primary visual cortex resulted in a shift of firing from tonic to burst mode in the distant target area of thalamus the LGN [9]; this effect would be predicted on the grounds of a loss or substantive shift ...
6
The GABA(A)p receptors in hippocampal spontaneous activity and their distribution in hippocampus, amygdala and visual cortex
... A bicuculline-resistant and TPMPA-sensitive GABAergic component was identified in hippocampal neu- rons in culture and in acute isolated brain slices. In both preparations, total GABAergic activity showed two inactivation ...
6
TítuloActions of compounds manipulating the nitric Oxide system in the cat primary visual cortex
... From these observations we suggest that in this situation, available NOS is a rate-limiting step such that increased levels of l-Arg above those which can be immediately processed by the enzyme are without effect. We ...
13
TítuloEffects of static magnetic fields on the visual cortex: reversible visual deficits and reduction of neuronal activity
... to visual cortex of awake primates cause reversible deficits in a visual detection ...the visual deficits are a consequence of a strong reduction in neural ...
15
TítuloAlways returning: feedback and sensory processing in visual cortex and thalamus
... the visual system still consider the mechanism of vision in terms of a sequential elaboration of processing steps through a hierarchy of visual areas, albeit in parallel interacting systems that at least ...
13
Corteza visual evolutiva para la clasificación de objetos en imágenes naturales usando un enfoque multi-objetivoEvolutionary multi-objective visual cortex for object classi?cation in natural images
... human visual system as ins- piration for solving different tasks such as object detection and ...Artificial Visual Cortex (AVC) have shown pro- mising results while performing difficult visual ...
117
Algoritmo masivamente paralelo de reconocimiento de objetos basado en el paradigma de la corteza visual artificialMassively parallel object recognition algorithm based on the paradigm of artificial visual cortex
... artificial visual cortex for object recognition. This visual cortex artificial composition of multiple algorithms, when combined in a certain order, man- age the task of object recognition, ...
192
On nonlinearity in neural encoding models applied to the primary visual cortex
... Abstract. Within the regression framework, we show how different lev- els of nonlinearity influence the instantaneous firing rate prediction of single neurons. Nonlinearity can be achieved in several ways. In partic- ...
24
TítuloFoci of orientation plasticity in visual cortex
... the visual cortex uses in the face of adaptation to the statistics of natural images29 to prevent a global change in the orientation preference of visual cortical ...
9
TítuloLocal networks in visual cortex and their influence on neuronal responses and dynamics
... primary visual cortex (V1) is now understood at a reasonable level of detail as a result of these efforts [18] and [31], though much still remains to be ...of visual features have been ...
15
Multiple sessions of transcranial direct current stimulation to the intact hemisphere improves visual function after unilateral ablation of visual cortex
... Cats were acclimated to sit quietly in a nylon veterinary cat bag, and periodically rewarded. Stimulation was performed as previously described (Figure 1; Schweid et al., 2008). The tDCS machine (ActivaDose; ActivaTek, ...
16
Reconocimiento de objetos con características locales inspiradas en la corteza visual a través de programación genéticaObject recognition with local features inspired by the visual cortex through genetic programming
... v´ıa visual, los impulsos luminosos estimulan los fotorreceptores hiperpolarizando su potencial de membrana, lo que permite que la informaci´on nerviosa alcance, tras varias sinapsis, las c´elulas ganglionares de ...
180
TítuloThe operating regime of local computations in primary visual cortex
... (excitatory cells). Nevertheless, a significant level of local recurrent input is important to amplify the firing rate response. In the recurrent regime (REC in Fig. 5A), neurons responded to their preferred stimulus ...
22
Reconocimiento de objetos en una escena bajo el paradigma del cómputo evolutivo y la corteza visualObject recognition under the paradigm of evolutionary computation and visual cortex
... ma visual, donde su forma y funcionalidad var´ıa dependiendo del entorno en el cual se desarrolla el ...sistema visual a una va- riedad de ambientes? Un ejemplo puntual de esta problem ´atica, se puede ...
214
TítuloSpecific roles of NMDA and AMPA receptors in direction selective and spatial phase selective responses in visual cortex
... somatosensory cortex, intracellular recording of unitary EPSCs in layer 4 and the su- pragranular cortex indicates that both thalamocortical and intra- cortical EPSCs are mediated by AMPA receptors and have ...
10
The parietal association cortex of the rat
... striate cortex (Montero et ...two visual areas within what we are now calling the posterior parietal/ anteromedial ...striate cortex. However, the confirmation of distinct visual areas rostral ...
9
TítuloLooking back: corticothalamic feedback and early visual processing
... the visual system, including the responsiveness of thalamic and visual cortical neurons ...of visual information is enhanced by the release of both ACh and NO from brainstem terminals (arising from ...
12
Densidad Neuronal en la Corteza Visual Primaria (Área 17), en Dos Especies de Octodon
... the visual cortex and its ...(primary visual area), in two sympatric Chilean rodents with different daily activity (Phyllotis darwini and Abrothrix olivaceus), but have not yet determined the genetic ...
6
Cortical response to subjectively unconscious danger
... in visual cortex activation even when danger is perceived in conditions of restricted awareness? The present results suggest an affirmative ...posterior cortex [involving the posterior cingulate ...
9
07 Cortex M0 y Cortex M4
... – 32 bits – Arquitectura RISC – ISA ARM (32 bits) y Thumb-2 (16/32 bits) – desde 600 MHz hasta más de 1 GHz – Superescalar (2 issue) – Lanzado en 2009 – Pipelines de 13 etapas – Caches L1: split, 16KB o 32 KB c/u – Cache ...
15
