Specificity of monosynaptic connections from thalamus to visual cortex

By R. Clay Reid, J. Alonso. 1995

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Citations in the corpus

Re-evaluating circuit mechanisms underlying pattern separation (2019, neutral): “However, rather than the random expansion predicted by Marr-Albus theory, visual cortical neurons receive specific geniculate inputs that contribute to their direction selectivity (Reid and Alonso, 1995; Sun et al., 2016; Lien and Scanziani, 2018).”
Linearity and Normalization in Simple Cells of the Macaque Primary Visual Cortex (1997, background): “Although the feed-forward view is supported by recent evidence (Reid and Alonso, 1995; Ferster et al., 1996), the initial linear stage of our model should not necessarily be identified with a feed-forward arrangement.”
A second function of gamma-frequency oscillations: a E%-max winner-take-all mechanism selects which cells fire (2009, background): “Orientation selectivity appears to depend on two mechanisms: a process of connectivity, which makes the input EPSP somewhat orientation selective (Reid and Alonso, 1995), and a second process dependent on inhibition (Sillito, 1975; Troyer et al., 1998; Carandini and Ferster, 2000).”
Cortical travelling waves: mechanisms and computational principles (2018, background): “Thus, the spatiotemporal pattern of activation of a stationary bump is mainly driven by the input and shaped to a lesser degree by intracortical axons 61–63 .”
Mechanisms underlying development of visual maps and receptive fields. (2008, background): “The specific receptive field properties of a given visual neuron arise by virtue of the type, number, strength, and location of synaptic inputs onto that cell (Chapman et al. 1991, Nelson et al. 1978, Reid & Alonso 1995, Sherman 2004, Tavazoie & Reid 2000).”
A Synaptic Explanation of Suppression in Visual Cortex (2002, methodology): “Our model V1 simple cell is based on the original proposal by Hubel and Wiesel (1962), in which orientation selectivity arises because of the arrangement of excitatory inputs from the LGN (Reid and Alonso, 1995; Alonso et al., 2001).”
Microsaccades counteract visual fading during fixation. (2005, background): “Just as the strength of the connection between a preand a postsynaptic neuron can be quantified from a cross-correlogram (Levick et al., 1972; Reid and Alonso, 1995; Usrey et al., 1999), one can also determine the impact of microsaccades in driving perceptual transitions.”
GFP Reconstitution Across Synaptic Partners (GRASP) defines cell contacts and synapses in living nervous systems. (2008, methodology): “Current knowledge of synaptic connectivity has been obtained largely by powerful but labor-intensive methods: electrophysiology of coupled cells or electron microscopy and ultrastructural identification of connected cell types (White et al., 1986; Katz and Dalva, 1994; Reid and Alonso, 1995; Briggma”
The role of the thalamus in the flow of information to the cortex. (2002, background): “The driver inputs to these are the geniculate axons (Reid & Alonso 1995, 1996; Ferster et al. 1996; Chung & Ferster 1998), and yet these represent only 5– 10% of the synaptic inputs to these cells in cats and monkeys (Ahmed et al. 1994; Latawiec et al. 2000).”
The emergence of contrast-invariant orientation tuning in simple cells of cat visual cortex. (2007, background): “According to this view, in the visual cortex, excitatory, feed-forward connections from the lateral geniculate nucleus (LGN) establish the broad outlines of cortical receptive fields, including orientation bias and subfield organization (DeAngelis et al., 1993b; Hubel and Wiesel, 1962; Movshon et al”
Context-sensitive binding by the laminar circuits of V1 and V2: A unified model of perceptual grouping, attention, and orientation contrast (2001, background): “…elongated parts: an ON subregion, Rijk, which receives excitation from LGN ON cells beneath it and is inhibited by LGN OFF cells at the same position; and an OFF subregion, Lijk, which has the converse relation to the LGN channels (Hirsch, Alonso, Reid, & Martinez, 1998; Reid & Alonso, 1995).”