Jessica Dark — an Autistic doctoral researcher in Organisational Psychology at Birkbeck, University of London — has proposed the System-Level Organisational Design Framework (SLODF), published in Frontiers in Psychology in 2026. It refuses to locate the barrier inside the Autistic worker. It reads workplace inclusion instead as something that emerges from the interaction between neuro-cognitive traits — sensory processing, attention, social communication — and four organisational domains: Environment, Systems, People, and Policy. We crosswalk it here against ARLES, the Stimpunks Design Method.
The short version: SLODF maps across the organisation what ARLES stacks through the bodymind. Dark spreads inclusion horizontally into four domains an employer can act on. ARLES climbs vertically through five layers of neurodivergent life, in an order that has to hold. Lay one over the other and most of it lines up — until you reach the floor.
Both begin in the same refusal. Broken systems, not broken people.
And this one begins closer to home than most. Stimpunks already runs on Dark’s engine. The mechanism at the heart of SLODF — neuro-cognitive trait interaction — is the same mechanism our From Traits to Patterns bridge credits to Dark (2025): the pattern emerges from the encounter between how a mind processes and what a specific environment demands, not from the trait in isolation. We were building on this work before we crosswalked it. So read what follows as a map of shared ground and honest divergence, not a cold comparison.
The Grid and the Ladder
Four domains map onto five rungs. The grid spreads where the ladder stacks.
Environment maps to Environment. One to one. Dark’s physical and sensory domain — lighting, noise, temperature, open-plan load, low-stimulation and recovery spaces, flexibility over standardisation — is ARLES’s Environment rung exactly: a space either fits a bodymind or fights it. No translation required.
People maps to Relational. Communication, relationships, culture, leadership, psychological safety, the double empathy problem — Dark’s People domain sits on ARLES’s Relational rung. They agree on the territory. They differ on what sits at its center. Dark centers communication clarity: direct instructions, multiple formats, regular check-ins. ARLES centers regulation — co-regulation, consent, the insistence that regulation is relational and environmental, not an individual skill. People reaches the Relational floor and stops short of the regulation ARLES builds it around.
Systems folds in Attention. Here the grid compresses two ARLES rungs into one. Dark’s Systems domain is organisational process — recruitment, onboarding, performance management, task sequencing — but the interaction she names inside it is attention meeting task structure: monotropism, inertia, the cost of switching between tasks. ARLES holds Attention out as its own rung, the foundation the whole ladder rests on, so that monotropism enters as a design input rather than a friction buried inside a workflow. SLODF keeps attention inside the machine. ARLES gives it the floor.
Policy maps to Systems. Dark promotes governance to a fourth standalone domain — the mechanism through which inclusion is articulated, coordinated, and sustained. ARLES folds policy into Systems: the structures, norms, and institutions that distribute opportunity and constraint. Same content, different filing.
And one rung has no domain above it. SLODF has no Lived Experience layer — no separate account of what the day actually feels like, held apart from the systems that shape it. The grid runs out of resolution exactly where ARLES does its most intimate work: the bottom two rungs, Attention and Lived Experience, where the bodymind is.
The Shared Spine
These frameworks share a foundation, and in places nearly a sentence.
The pattern emerges from the encounter, not the trait. This is the strongest point of contact, and it is Dark’s own. SLODF: barriers emerge through interactions between neuro-cognitive traits and organisational conditions. ARLES, through our traits bridge: the same trait produces different patterns in different environments, and changing the environment changes the pattern even when the trait remains. Two statements of one mechanism. We cite it to the same source.
Experience is ecological. Dark: sensory demands are not solely individual experiences but emerge through interactions between cognitive variation and workplace environments. ARLES: experience emerges from the interaction of body, attention, environment, and relationship. Neither locates the difficulty inside the person.
Individual responsibility is the wrong address. Dark traces how adjustment-led approaches, left to stand alone, require Autistic employees to keep navigating systems never designed for cognitive variation — and so reproduce the barrier they were meant to remove. ARLES: deficit ideology treats the person as the problem, and that is backwards. See Deficit Ideology.
Monotropism and double empathy are shared canon. Dark builds on Murray, Lesser, and Lawson on monotropism and on Milton’s double empathy problem. So do we. Same bloodline, read into different rooms.
Policy alone collapses. Dark reaches ARLES’s central warning from the top of the ladder. She writes that formal policy does not produce inclusion on its own — that organisational climate, employees’ confidence to name their needs, and how systems actually operate in practice decide whether policy means anything. ARLES says it from the bottom: skip the lower layers and systems reform collapses. Both see the collapse. They approach it from opposite ends.
What Each Gives the Other
This is the divergence, and naming it is the point.
SLODF gives ARLES the workplace, in detail. ARLES names Environments in general; Dark names the workplace specifically, and walks it through the employment lifecycle — recruitment interviews that reward social performance, onboarding, performance management, the systems where barriers hide in plain sight. She translates the method into the vocabulary of Organisational Psychology and sustainable HRM, into terms an employer and an HR function recognise and can act on. And she models the accessibility she argues for: an Easy Read guide to the framework, so the map is legible to the people it describes. That is defaulting to open, arrived at independently.
ARLES gives SLODF order, a regulation floor, and the next step. SLODF is a grid — precise about where inclusion happens, quieter about sequence. ARLES supplies the sequence: each layer holds up the one above it, so you know not just what to change but in what order you can actually build the support. It supplies the regulation floor SLODF leaves implicit — Dark names every downstream sign of regulation failure, fatigue, overwhelm, masking, the need for recovery, but never gathers them into co-regulation as a design primitive. It pulls Attention out as its own rung. It adds the Lived Experience layer the grid has no cell for. And it continues past the point where SLODF stops: SLODF ends each domain at barriers and design responses; Stimpunks turns the interaction into named, reusable Patterns and Recipes, so the finding becomes a tool the next room can use.
A Note on Method
We usually reserve “converges toward, stops short of” for external work that gestures at the systemic layer without delivering it. SLODF is a more delicate case, so we say plainly how we are reading it.
It is not fully external. Stimpunks already builds on Dark’s trait-interaction mechanism; on that mechanism, this is lineage, not comparison. And SLODF genuinely delivers a systemic argument — Systems and Policy are two of its four domains, and it is systemic by design, not by gesture.
But on the two things that make ARLES load-bearing — the ordering and the regulation floor — SLODF converges and then stops short. It names the whole stack and flattens it. It maps across the organisation what it does not sequence, and it names the symptoms of a regulation layer it does not build. So the honest reading is both at once: shared mechanism at the traits layer, mutual supply across the organisation, and “stops short of” precisely at ARLES’s spine.
One Reads Across, One Reads Down
SLODF is a map of the organisation. It tells you where inclusion is made — across environment, systems, people, and policy — and hands an employer four places to look.
ARLES is a ladder through the bodymind. It tells you where to start and in what order you can build, from attention and nervous-system safety up to the systems that hold power.
Lay the grid over the ladder. Dark’s four domains fill the top three rungs and translate them into a workplace an organisation can act on. The bottom two rungs — Attention held out on its own, and the Lived Experience beneath it — are where the map runs out of resolution and the ladder keeps going down. One reads across. One reads down. You need both to reach the floor and change the room.
Source: Dark, J. (2026). The system-level organisational design framework: a neuro-cognitive trait interaction approach to workplace inclusion for Autistic people. Frontiers in Psychology, 17, 1826284. Related: ARLES, From Traits to Patterns, The Ecosystemic Model of Distress: An ARLES Crosswalk, Co-Regulation, Deficit Ideology.