Childhood language acquisition has long been a focus of research, with numerous studies highlighting diverse pathways and strategies. Ann Peters’ (1977) pioneering longitudinal study made important contributions by differentiating between analytic and gestalt processing strategies. According to Peters, children may rely on either of these acquisition strategies depending on their individual differences. However, the study had several limitations. The findings were primarily theoretical because the idea of gestalt processing was novel and lacked empirical support. Additionally, the small sample size limited the generalizability of the findings.

Prizant and Duchan (1981) draw parallels between the concept of gestalt processing and their study on echolalia in autistic children. Through their own longitudinal study, they emphasize the communicative and developmental value of echolalia. This challenges the traditional view of considering echoes as hindrance to language development. Their research shows that language learned in chunks—similar to gestalt processing—supports essential skills like turn-taking, requesting, and self-regulation. Additionally, they proposed a four-stage model that explains how echolalia evolves into more flexible and spontaneous speech in order to promote strategies that build on echolalia instead of trying to eliminate it. Manning and Katz (1989) used a case study of an 11-year-old boy to practically implement Prizant’s four stage model. Manning’s study successfully demonstrated how echolalia promotes language development when it is paired with naturalistic and interactive therapy methods. Overall, their work underscored the benefit of echolalia in developing communication skills in autistic children, rather than labelling it as a hindrance. Subsequent research reinforce this view and suggest that echolalia does play a significant role in communication development. For instance, Luca and Wotton’s (1995) case study demonstrates that "pure echoes" can at times express emotions, support social interaction, and respond to situations. A more recent study done by Xu et.al. (2024) which uses conversational analysis concludes that spontaneous echolalia follows a flexible ‘complete-incomplete-transformed’ continuum pattern. This allows autistic individuals to communicate their feelings, take turns, form responses, provide affirmations, and initiate requests. This interactive dynamic is competent to impede conversation, divert topics and affiliate interlocutions.

Building on this understanding, Blanc (2005, 2012) presented the NLA framework as a developmental process tailored to children with ASD. It emphasizes the functional role of echolalia in language development. Initially outlined in four stages and later expanded to six stages to support gestalt language processing, NLA reframes echolalia from being non-purposeful to an essential step in acquiring self-generated language. She highlights the importance of respecting autistic individuals’ unique processing styles and tailoring interventions to their strengths. She reports positive clinical outcomes where strategies aligned with NLA stages have fostered natural language development. However, Blanc et al. (2023) argues that while understanding gestalt language processing can lead to tailoring more effective interventions, their conclusions are primarily based on clinical observations, limiting their generalizability without further empirical research.

Haydock et al. (2024) further expand on the importance of gestalt language processing especially in autistic children. The authors deem it as a legitimate and significant pathway for language development and stress the fact that therapeutic practices should integrate GLP rather than suppressing these echoes. The article also highlights the need for clinicians to develop effective assessment tools to evaluate the extent of GLP in autistic individuals. It also adds on to the need to study and explore how gestalts are learned and utilized in communication by these individuals.

However, Hutchins et al. (2024) and Beals (2024) raise doubts about the framework and its usefulness in practice. They express concerns about the NLA frameworks, claiming that they lack sufficient data and precise definitions. The former challenges the NLA’s stages of language development, calling them unrealistic and unsupported, while also criticizing GLP for oversimplifying the experiences of autistic individuals. Similarly, the latter questions the validity of the GLP approach in autistic individuals, as they tend to focus on details rather than the broader picture. In this lieu, analytical processing should be more feasible to them than gestalt processing. They also believe that GLP-based therapies are vague, ineffective, and sometimes harmful compared to proven methods like structured language teaching and joint attention-focused strategies.