Split-Brain, Split-Mind

Marinsek, Nicole; Gazzaniga, Michael S.; Miller, Michael B.

doi:10.1016/b978-0-12-800948-2.00017-0

Cited by 2 publications

(1 citation statement)

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“…After all, the most dramatic examples of multiple identities come from split brain patients (Gazzaniga, Bogen, & Sperry, 1962) or patients with dissociative identity disorder (APA, 2013). For instance, careful experimentation with split brain patients reveals that they are effectively inhabited by two independent selves, and yet these patients tend to otherwise present as single coherent persons (Marinsek, Gazzaniga, & Miller, 2016). Evidently, part of the brain's left hemisphere actively resolves conflict and uncertainty between the hemifields, maintaining a sense of unity and control.…”

Section: The Case For Single Self-allocationmentioning

confidence: 99%

You Can Only Self-Represent One Identity at a Time

J¹,

Lj²,

Alvarez³

2019

Preprint

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A cornerstone of cognitive science is that mental systems are limited: There is a maximum amount of information they can process or store, beyond which performance breaks down. Yet so far the study of such limits has been focused on core systems like attention and memory. Here we explore self-representation, the ability to represent someone or something as being you. We find a limit on a well-known index of self-representation known as the self-reference effect, whereby people perform better for items that they associate with themselves than with others. This effect does not scale additively when people actively associate stimuli with more than one self-concept at a time (e.g., their younger and older selves, or two hypothetical versions of themselves). This suggests that even though we can self-represent various self-concepts independently, we can never do so for more than one self-concept simultaneously.

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Section: The Case For Single Self-allocationmentioning

confidence: 99%