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Inner Speech: Development, Cognitive Functions, Phenomenology, and Neurobiology.

Alderson-Day B, Fernyhough C - Psychol Bull (2015)

Bottom Line: Despite a growing body of knowledge on its phenomenology, development, and function, approaches to the scientific study of inner speech have remained diffuse and largely unintegrated.We conclude by considering prospects for an integrated cognitive science of inner speech, and present a multicomponent model of the phenomenon informed by developmental, cognitive, and psycholinguistic considerations.Despite its variability among individuals and across the life span, inner speech appears to perform significant functions in human cognition, which in some cases reflect its developmental origins and its sharing of resources with other cognitive processes.

View Article: PubMed Central - PubMed

Affiliation: Department of Psychology, Durham University.

No MeSH data available.


The inner speech system and its interaction with executive functions, theory-of-mind, and long-term memory. (CA = covert articulation; PS = phonological store)
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fig3: The inner speech system and its interaction with executive functions, theory-of-mind, and long-term memory. (CA = covert articulation; PS = phonological store)

Mentions: Adopting a developmental approach thus points to further developments in how inner speech can be conceptualized and modeled. On this view, inner speech will be shaped by the individual’s linguistic and social experiences, possessing the qualities of being evaluative, discursive, or addressed to others, because it retains some of the pragmatic characteristics of external communication. We have also noted that developmental considerations motivate the drawing of distinctions between monologic and dialogic inner speech (Fernyhough, 1996), a distinction that has been supported by data on self-reported experiences of inner speech (Alderson-Day et al., 2014; McCarthy-Jones & Fernyhough, 2011). The dialogic quality of some forms of inner speech is plausibly supported by the recruitment of ToM systems as described above. Figure 3 represents a model incorporating the inner speech model depicted in Figure 2, with the addition of the social–cognitive processes that may underlie inner dialogue. Fernyhough has proposed that the dialogicality of inner speech can be interpreted as the cognitive provision of an “open slot” (Fernyhough, 1996, 2009a) within which a linguistically manifested perspective generated in the inner speech network is represented while an answering perspective is generated. Alongside this, monologic or dialogic forms of inner speech can be deployed to support nonverbal executive processes where this is required (as in the examples of switch tasks, or cognitive control). Representation of voices and situations will also require retrieval of autobiographical information from long-term memory, as in the case of replaying a particular conversation in the mind.


Inner Speech: Development, Cognitive Functions, Phenomenology, and Neurobiology.

Alderson-Day B, Fernyhough C - Psychol Bull (2015)

The inner speech system and its interaction with executive functions, theory-of-mind, and long-term memory. (CA = covert articulation; PS = phonological store)
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4538954&req=5

fig3: The inner speech system and its interaction with executive functions, theory-of-mind, and long-term memory. (CA = covert articulation; PS = phonological store)
Mentions: Adopting a developmental approach thus points to further developments in how inner speech can be conceptualized and modeled. On this view, inner speech will be shaped by the individual’s linguistic and social experiences, possessing the qualities of being evaluative, discursive, or addressed to others, because it retains some of the pragmatic characteristics of external communication. We have also noted that developmental considerations motivate the drawing of distinctions between monologic and dialogic inner speech (Fernyhough, 1996), a distinction that has been supported by data on self-reported experiences of inner speech (Alderson-Day et al., 2014; McCarthy-Jones & Fernyhough, 2011). The dialogic quality of some forms of inner speech is plausibly supported by the recruitment of ToM systems as described above. Figure 3 represents a model incorporating the inner speech model depicted in Figure 2, with the addition of the social–cognitive processes that may underlie inner dialogue. Fernyhough has proposed that the dialogicality of inner speech can be interpreted as the cognitive provision of an “open slot” (Fernyhough, 1996, 2009a) within which a linguistically manifested perspective generated in the inner speech network is represented while an answering perspective is generated. Alongside this, monologic or dialogic forms of inner speech can be deployed to support nonverbal executive processes where this is required (as in the examples of switch tasks, or cognitive control). Representation of voices and situations will also require retrieval of autobiographical information from long-term memory, as in the case of replaying a particular conversation in the mind.

Bottom Line: Despite a growing body of knowledge on its phenomenology, development, and function, approaches to the scientific study of inner speech have remained diffuse and largely unintegrated.We conclude by considering prospects for an integrated cognitive science of inner speech, and present a multicomponent model of the phenomenon informed by developmental, cognitive, and psycholinguistic considerations.Despite its variability among individuals and across the life span, inner speech appears to perform significant functions in human cognition, which in some cases reflect its developmental origins and its sharing of resources with other cognitive processes.

View Article: PubMed Central - PubMed

Affiliation: Department of Psychology, Durham University.

No MeSH data available.