I am still playing around with this (mainly working out how to shade individual sides of the cube), I think I have a new 3D image for PDA. Although, it might be best doing a "radar" type chart.
I have split the frequency & intensity of demand-avoidance axes from these charts in two.
Frequency of demand-avoidance features displayed continuum represents how often demand-avoidance features tend to expressed over a given time period, such as a week. It really is arbitrary which time period a person uses.
For "Intensity of distress features displayed continuum." axis it represents something akin to the image below from PDA Society What is PDA booklet.
It recognises there often are degrees of distress behaviours each person often progressively works through, this can be specific set of distress behaviours for each person; it allows for it individualised.
The point is is linked anxiety-based RRBIs, and how "extreme"/ "difficult" for those expressing them, & those around them to experience.
"Manipulative to Strategic social avoidance behaviours continuum." axis represents continuum of "strategic" & "manipulative" social avoidance behaviours described in PDA literature & tools.
This axis represents that some social avoidance behaviours are done with intent (manipulative), while others are expressed in a compulsive manner (strategic).
Again this axis is related to anxiety, more anxious a person is, more likely to display compulsive (strategic) social demand-avoidance. It also reflects how most characteristics present as a continuum in human population.
I am trying to move away from false dichotomy of "strategic" vs "manipulative" demand-avoidance.
For "Frequency of demand-avoidance features displayed continuum", it represents continuum from "Rational" to "Extreme/ Pervasive" demand avoidance. Also views it to be a continuum characteristic; i.e., again a false dichotomy between two constructs.
This is important due “Pathological” Demand-Avoidance begins when "the disturbance causes clinically significant distress or impairment in social, occupational, or other important areas of functioning.“ (APA 2013, p21), is around "Rational Demand Avoidance".
“…start to display avoidant behaviour and challenging behaviour in response to a particular stressor…” (Eaton 2018, p20).
Around EDA-Q threshold and/ or “problematic demand avoidance” (O’Nions et al 2018b).
As with this diagram, the "profile" of features a person expresses changes depending on the situation they are in, & over lifespan, so it is a dynamic & influx presentation.
That is the core rationale for the image. One should see it is intrinsically a stress based model for PDA.

Finishing with the image.
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More from @Richard_Autism

4 Oct
Question to the floor:
Should we be in this situation in with PDA in UK (i.e. a bubble on the notion PDA is an ASD), some descriptions from 2 articles:
at present a culture-bound concept UK.
Interest substantially outpacing PDA research.
Genuinely interested?
My own views on this is a definitive no, fact such descriptions of the present situation is present indicates something has gone wrong. There are few reasons for this.
First point is one should ethically be presenting balanced & accurate information on PDA, also not making claims beyond its evidence base. One should not be conducting research to favour a particular viewpoint, such as favouring notion "PDA as an ASD".
Read 23 tweets
3 Oct
Crikey, does anyone else get moments of inspiration when they are doing nothing serious, i.e., "trivial" activities (e.g., for me, making cups of tea, going to the shops, in the bathroom etc)?
Subtext to this, I just had a potentially important one. Yesterday's one about @PDASociety acting like a disreputable information source on PDA by claiming research has not disclosed conflicts of interest as "more authoritative".
For the record, I do not view the PDA Society, or the clinic which did that research as particularly reputable information sources on PDA. Presently viewing them akin to reputability of "pro" ABA/ PBS supporters on ABA/ PBS.
Read 39 tweets
2 Oct
Thought experiment to the floor.
Suppose I designed & conducted a PDA research.
I created PDA definitions based on my experience.
Ignore how PDA can be diagnosed at lower diagnosed thresholds.
Ignore how PDA can be diagnosed in non-autistic persons.
...
...
Ignore DSM-5 threshold for when something becomes "pathological", i.e., threshold for PDA.
Ignore accepted understandings anxiety is not a feature autism.
Used ADOS which is not design to assess for PDA features.
...
...
Only diagnosed PDA in persons I thought were autistic.
Only diagnosed PDA in a dual ASD + PDA traits diagnosis.
...
Read 7 tweets
1 Oct
I know I am late to party on this paper @DrMBotha. Currently, & reflecting upon it. Already seeing parallels with it, and my own experiences & observations of engaging with PDA literature & agenda to make "PDA an ASD".
frontiersin.org/articles/10.33…
There are parallel processes operating in similar/ same manner to what Monique describes in the paper. First off, there is lack of consideration of it divergent opinions on PDA are welcome or actively embraced.
I know from past experience, of myself & other dissenting voices we tend to be ignored, by "PDA as an ASD" leading experts, while attacked, or excuses made to not take our points credibly.
Read 25 tweets
1 Oct
I naturally spend time reflecting upon things. I naturally try to evolve & learn from situations. This is very much a central aspect of who I am.
Over the last several weeks, I spent more time reflecting than I naturally do; this is a resource intensive act, in time & spoons. It also means being horrifically open to being mistaken, so open that you can shake & mould your own sense of identity.
This process is also highly organic, it is not something that is done as part of a "routine".
Read 10 tweets
27 Sep
Something that has been bothering over the last two days. Is how some "PDA as an ASD" supporters seem to be confusing anxiety based RRBI's with autism's social communication issues.
Routed to DSM-5 autism criteria, Category A, social communication issues.
A—Deficits in social communication and interaction
A1—Deficits in social-emotional reciprocity
A2—Deficits in nonverbal communication
A3—Deficits in relationships
(Evers et al 2021).
Screenshot of actual DSM-5 category A autism traits, from here (for ease of convenience):
autismspeaks.org/autism-diagnos…
Read 39 tweets

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