Hebbian learning ... synapses that fire together ... wire together ...
Consciousness, Plasticity, and Connectomics: The Role of Intersubjectivity in Human Cognition
Micah Allen1,* and
Gary Williams2
Extract:
"A constant theme in cognitive science is to define the explanandum of consciousness in terms of qualia or “phenomenal feels,” i.e., some ineffable, subjective “what-it-is-like” to experience the world. Moreover, it is often argued that consciousness requires either some kind of higher-order metarepresentation of first-order states (Gennaro,
2004) or that consciousness is itself localized to the pure phenomenal feels or “what-it-is-like” (Dretske,
1993). We contend that the prevailing theoretical spectrum begins from the incorrect assumption that both phenomenal feels and higher-order representations can be collapsed into a single phenomenon. In contrast, we argue that the qualities of phenomenal experience and a subject's higher-order representations of those qualities are separate explananda, while still contending that higher-order representations significantly change the “what-it-is-like” of human experience. This is in accordance with our thesis that reflective consciousness is something that develops in ontogeny and depends upon the plastic individual development of the sensorimotor system in interaction with the default mode network (DMN). Moreover, we contend that both phenomena are highly complex, reciprocally interact, and depend upon the organisms phylogenetic and ontogenetic history of structural coupling between body, brain, and culture.
What drives us to this conclusion? First, the phenomenological tradition, as exemplified by the work of Martin Heidegger and Maurice Merleau-Ponty, emphasizes that our experience of the world is primarily
prereflective in nature. Accordingly, we would like to construct an account of mental life grounded by the basic insight that cognition is primarily embodied and embedded within an organized environment and social field rather than detached and spectatorial (Stern,
2009). Second, in light of recent evidence of the brain's radical, multisensory plasticity, we will argue that this profound adaptivity at the molecular, network, and systems levels underlies the development and intersubjective function of human consciousness. We will thus argue that both the long-term plasticity underlying skill development and cultural learning and “fast” sensory–motor plasticity underpin our conscious experience of the world and ourselves. Indeed, there are physiological reasons to suspect that both “primary” prereflective processing
1 and “secondary” reflective processing are both dynamic and flexible in nature, grounded in the actual history of the system's encounter with the environment. Whether we are discussing neuron recycling underlying memory consolidation, synaptic reorganization following limb amputation, or alterations in the particular communicative balance between macroscopic neural networks, the old tropes of radical modularism and localization of function are no longer tenable. . . ."
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3110420/