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What Do Sensory Organs Tell the Brain?

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Presentation on theme: "What Do Sensory Organs Tell the Brain?"— Presentation transcript:

1 What Do Sensory Organs Tell the Brain?
Avner Wallach, Satomi Ebara, Ehud Ahissar  Neuron  Volume 94, Issue 3, Pages (May 2017) DOI: /j.neuron Copyright © 2017 Elsevier Inc. Terms and Conditions

2 Figure 1 The Sensory Arc of the Vibrissal Perceptual Loop, from Object Encounter to Neural Code From left to right: external objects are sampled by active scanning with the whisker array; spatial features of the object (e.g., location, shape, size, and texture) are dynamically represented by morphological variables of the encountering whisker (θ, angle; κ, curvature); morphological variables are translated to mechanical forces within the follicle (Ftan, tangential force; Fax, axial force; M, bending moment). The forces are sensed by a heterogeneous array of highly sensitive mechanoreceptors in the whisker’s follicle, which convert them into neural code transmitted to the brain via the trigeminal nerve. The right-most panels are modified from Ebara et al. (2017). Neuron  , DOI: ( /j.neuron ) Copyright © 2017 Elsevier Inc. Terms and Conditions


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