Spatio-temporal pattern of frequency representation in the auditory cortex of guinea pigs
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Cited by (45)
Updates to the guinea pig animal model for in-vivo auditory neuroscience in the low-frequency hearing range
2022, Hearing ResearchCitation Excerpt :Such experiments will benefit from the very well-characterized ascending auditory system of the GP, especially at the level of midbrain and cortex (Redies et al., 1989; Redies and Brandner, 1991; Wallace et al., 2000; Anderson et al., 2007; Wallace et al., 2002; Wallace and Palmer, 2008, 2009). At the cortical level, GPs offer several methodological advantages – auditory areas of the brain are located close to the surface and can therefore be easily accessed for electrophysiology (Grimsley et al., 2012; Wallace et al., 2000) and imaging studies (e.g., Taniguchi et al., 1992; Taniguchi and Nasu, 1992), and the small brain size minimizes cardioballistic pulsations of the brain, increasing recording stability. Because of their natural docility, GPs can be easily acclimated to head-fixation for electrophysiological recordings with minimal self-generated movements.
Region-dependent Millisecond Time-scale Sensitivity in Spectrotemporal Integrations in Guinea Pig Primary Auditory Cortex
2022, NeuroscienceCitation Excerpt :We focused on the activity in A1 because the earliest response to a pure tone appeared in A1 in guinea pigs (Wallace et al., 1999; Nishimura et al., 2007), indicating that A1 is the cortical area that first receives the ascending auditory inputs from the thalamus. Similar to the topographic changes of responses with tone frequencies (called tonotopy) in A1 (Redies et al., 1989; Taniguchi et al., 1992; Wallace et al., 2000; Horikawa et al., 2001; Song et al., 2006; Nishimura et al., 2007; Nishimura and Song, 2014), the initiating location in responses to BN-1k (for the definition of initiating location, see Section “Analysis of initiating location” in Experimental procedures) was located at a more rostral location in A1 compared to that in responses to BN-16k (Fig. 1C, cross; the recording field is depicted as a box in Fig. 1A). Although the response onset-times at the initiating locations changed with different sound intensities (Fig. 1D), there was no obvious change in coordinates of the initiating location for the same BN (Fig. 1C, arrows; 70 dB vs. 30 dB) (for statistics, see Fig. S4).
Spontaneous activity resembling tone-evoked activity in the primary auditory cortex of guinea pigs
2010, Neuroscience ResearchA light-emitting diode light source for imaging of neural activities with voltage-sensitive dyes
2006, Neuroscience Research