Treatment of Acquired Motor Speech Disorders – Principles & Management Approaches
Principles of Management
• Over-arching therapeutic objective for all Motor Speech Disorders (MSDs) is to improve communication, not merely to perfect isolated speech production.
• Communication is multimodal – may incorporate:
– speech
– writing/typing
– drawing
– gesture/sign
– facial expression & eye gaze
– low-tech aids (e.g., communication books, alphabet boards)
– high-tech/voice-output systems
• A Total Communication philosophy legitimises the use of any modality or combination of modalities that maximises message transmission.
Why prioritise communication over speech?
• Broadens treatment targets beyond articulatory accuracy to encompass efficiency, naturalness, partner comprehension and environmental facilitation.
• Expands the yardsticks by which therapy success is judged (e.g., faster conversational turn-taking, reduced breakdowns, increased participation).
• Recognises that intelligible speech may not be achievable or necessary in all contexts.
Pitfalls that obstruct the overarching goal (Yorkston & Beukelman, 2000)
• Failure to address CURRENT needs – the messages and contexts the speaker encounters today.
• Failure to anticipate FUTURE needs – progressive conditions may demand advanced planning (e.g., banking phrases for voice banking, early AAC introduction).
Severity-linked primary goals
• Mild MSD – maximise & ; subtle prosody or rate tweaks often sufficient.
• Moderate MSD – improve & ; listener orientation and signal supplementation strategies common.
• Severe MSD – ensure access to efficient & effective AAC systems that preserve communicative autonomy.
Access & candidacy
• Every person with an MSD should, in principle, access support, yet not all are therapy candidates at all times.
– Some continue treatment long past the plateau phase.
– Others are never referred despite clear benefit potential.
• Decision-making variables:
– Medical diagnosis & prognosis (progressive vs stable; spontaneous recovery likelihood).
– Co-morbid cognitive, sensory or motor issues.
– Relationship between impairment – activity – participation (International Classification of Functioning, Disability and Health, ).
– Environmental facilitators/barriers (noise, partner skill, technology, funding).
– Motivation, readiness, compliance.
– Health-system factors ( therapy caps, insurer criteria, geographical access).
Guiding frameworks (“Clinical pillars of practice”)
• Evidence-informed Practice (E3BP) – integrates best current research, clinician expertise, client preferences and contextual factors.
• Client-centred practice – emphasises autonomy, dignity, shared decision-making.
• Cultural safety – ensures services respect linguistic / cultural norms and power imbalances.
• Ethical practice – beneficence, non-maleficence, justice, confidentiality.
• Strength-based practice – leverages intact abilities across domains, fostering hope and self-management.
Promoting client autonomy & participation
• Identify strengths and resources, not only deficits.
• Teach self-monitoring, self-cueing, and strategy selection.
• Involve communication partners; train them in supportive behaviours (e.g., reducing background noise, strategic positioning, clarifying cues).
• Address psychosocial dimensions – confidence, identity as a communicator, stigma.
• Maintain rigorous, sensitive outcome measures tied to client-valued activities.
Speech dimensions routinely assessed / targeted
• Intelligibility & Understandability – how well the message is decoded by an unfamiliar listener in context.
• Efficiency – rate at which accurate information is conveyed.
• Naturalness – resemblance of prosody/voice quality to typical speech, affecting social acceptability and listener comfort.
Beyond the speaker: environmental & systemic intervention
• Modify physical settings (lighting, distance, remove Plexiglas screens, minimise competing noise).
• Equip partners with communication repair strategies (e.g., summarising, confirmation checks).
• Advocate for policy & community access (captioning, alternative service queues).
• Refer to multidisciplinary supports for mental health, mobility, finances, vocational counselling where relevant.
Approaches to Management
RESTORE – reduce impairment, return lost function
• Appropriate for conditions with strong likelihood of restitution (e.g., dysarthria after mild stroke, unilateral vocal-fold paralysis post-thyroidectomy).
• May incorporate:
– Targeted strengthening or coordination drills.
– Surgical reinnervation or medialisation procedures.
– Pharmacological management of underlying disease (e.g., levodopa for hypokinetic dysarthria in PD).
• Limitations – not realistic for progressive or widespread neurodegeneration; gains may plateau.
COMPENSATE – optimise residual function, bypass impairment
• Rate and prosody modification (e.g., rhythmic cueing, pacing boards).
• Signal supplementation (alphabet cueing, topic boards).
• Prosthetic devices (palatal lift, voice amplifiers).
• Environmental or task modification (shorter utterances, strategic pauses).
• Co-speech gestures and pointing to enhance semantic redundancy.
ADJUST – reduce the communicative demand for the impaired function
• Modify life roles or tasks (e.g., telephony duties transferred to colleague; shift to e-mail based work).
• Re-engineer workflows to exploit non-speech channels (text-to-speech, prepared scripts).
• Long-term planning: career re-orientation, advanced AAC integration before speech deteriorates.
• Objective: minimise adverse participation impacts while preserving quality of life.
Intervention Modalities (often used in combination)
• Medical management – surgical (e.g., deep brain stimulation) or pharmacological (e.g., antispasticity meds).
• Prosthetic management – palatal lifts, bite blocks, abdominal binders.
• Behavioural management
– Speaker-oriented: articulation drills, LSVT, prosody restructuring.
– Communication-oriented: partner training, environmental manipulations.
• Augmentative & Alternative Communication (AAC) – low-tech to high-tech systems supporting or replacing speech.
• Counselling & psychosocial support – address adjustment, grief, identity, advocacy.
Clinical Reasoning Schema (E3BP; Dollaghan, 2007)
Establish client’s main difficulties / concerns – integrate case history & assessment across tiers.
Set collaborative goals – describe target behaviours; justify via participation outcomes.
Link goals to difficulties – articulate functional benefit pathway.
Select treatment option(s) & rationale – from clinician’s “toolkit,” choosing Restore, Compensate and/or Adjust strategies.
Summarise supporting evidence – cite empirical studies or clinical guidelines demonstrating efficacy for comparable profiles.
Apply evidence prudently – adapt study findings to client’s context (cognition, culture, comorbidities); note limitations.
Plan evaluation – decide when and how to measure progress (e.g., pre/post intelligibility percentages, communicative participation item bank scores, partner rating scales).
Ethical, Cultural & Practical Considerations
• Respect client autonomy; provide genuine choices, including refusal of therapy.
• Deliver services in culturally safe, linguistically appropriate manners (use interpreters, adapt materials).
• Document consent, treatment plans, and outcomes meticulously for transparency and funding bodies.
• Continually update clinical skills with current research to honour E3BP mandates.
Numerical & Statistical References Embedded in Slides
• Copyright slide references Paragraph of the Australian Copyright Act .
• Severity – mild, moderate, severe – mapped to three distinct primary goal categories (no explicit quantitative cut-offs provided).
• Page indicators within transcript: 1-19 (useful for locating original source material).
Key Take-home Messages
• Therapy for MSDs must be communication-centred, individually tailored, and grounded in robust evidence, ethical reflection, and cultural humility.
• Clinicians should dynamically balance restoration, compensation and adjustment to meet both current and future communicative needs.
• Treatment success is multidimensional—encompassing intelligibility, efficiency, naturalness, participation, and psychosocial well-being.