Why The Argument For Ideational Convergence (Concurrence) Is Invalid

Ngo, Hood, Martin, Painter, Smith & Zappavigna (2022: 94-5):

Here we draw on the concept of commitment ‘which refers to the amount of meaning instantiated as a text unfolds’ (Martin, 2011b: 255) as developed in Martinec (2008) and Martin (2010). 

Language and paralanguage can vary in terms of the amount of meaning that is specified by each semiotic mode. For instance, returning again to the example from the ‘Visit to the Dermatologist’ phase, and as noted in Chapter 1, some entities were committed in the language alone (e.g. the occurrence film in I didn’t film it) and not in the paralanguage. 

There can also be differences in how delicately meaning is committed in language and paralanguage. For example, the needle and the foot bump were more delicately committed in the paralanguage than in language, as far as qualities such as size and shape are concerned. 

So rather than separating gestures into a catalogue of types based on their purported resemblance to things in the world, the approach adopted in this chapter considers how gestures function as a resource which supports ideational meaning-making – focusing on how they concur with ideational discourse semantic selections.

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To be clear, this is the authors' argument for modelling paralanguage as convergent with ideational discourse semantics. It can be characterised as:

Premiss 1: Some meanings are made in language, but not in paralanguage.

Premiss 2: Paralanguage and language vary in the degree to which meanings are specified.

Conclusion: Paralanguage will be modelled as realising the ideational meaning of language.

There are two basic reasons why this argument is fallacious. The first is formal: the conclusion does not logically follow from the premisses, since the variation across modes is distinct from the question of whether one realises ("supports") the other. The second is informal: in the premisses and the conclusion, the authors misunderstand paralanguage as an expression-only semiotic system ('gestures'). See further below.

[1] As previously explained (here), Martin's notion of commitment is based on a fundamental misunderstanding of the system network, namely: that a speaker can choose the degree of delicacy to be instantiated during logogenesis. That is, it confuses systemic delicacy, in this case, with the degree to which a Thing (needle, bump) is expanded by Qualities (size, shape).

[2] As previously explained, it was not the needle that was gestured, but how a needle is held, and it was not simply the bump that was gestured, but the bubbling up of the bump (granuloma) after an injection.

[3] To be clear, both of these alternatives misunderstand paralanguage as an expression-only semiotic system ('gestures'), and the second preferred alternative proposes that this expression-only system realises ('supports') the ideational meanings of language.

The first rejected alternative, the only other possibility recognised by the authors, proposes that this expression-only system be categorised in terms of the material order phenomena that the gestures visually resemble.

In Cléirigh's model, the gestures of body language simply realise the meanings of body language, whether used paralinguistically or on their own.