I didn't expect there would be interest in the basic sciences research underpinning an earlier Tweet on fatigue & human consciousness.

But, happy to share some current research directions on this fascinating topic...
In 1998, Baumeister et al. conducted a multi-part experiment to test whether 'active choice' induced fatigue. It was found that 'choice' was a finite resource resulting in fatigue. Furthermore, fatigued people vastly preferred passive tasks.

doi.org/10.1037/0022-3…
From this, Baumeister et al. (1998) introduced the idea of 'ego depletion', or how fatigue depletes the self.

Their findings have since been widely replicated & potential confounding variables ruled unimportant to the phenomena of fatigue-induced 'ego depletion'.
For example, Bijleveld (2018) explored the 'feeling of effort' during cognitive tasks. The need for active choice was much more predictive of cognitive fatigue, not the difficulty of the cognitive task.

doi.org/10.1016/j.conc…
In another study by Graham et al. (2017), participants in a self-control exhaustion group invariably reported ↑ levels of fatigue, ↓ self-efficacy and ↓ overall performance on an exercise task.

doi.org/10.1037/spy000…
Around this time, Stephan et al. (2016) theorized that people perceive fatigue only after they form "self" predictions that integrate sensory and social information. Is fatigue nothing more than a Bayesian computation of predicted effort & self-efficacy?

doi.org/10.3389/fnhum.…
This theory was built upon new directions in consciousness research. For example, Apps & Tsakiris (2014) reviewed evidence supporting how past information about sensory events determined if they were perceived as part of the self or outside the body.

doi.org/10.1016/j.neub…
Blanke et al. (2015) also argue that people who process multisensory signals – such as fatigue – simultaneously experience changes in perceived body ownership, self-identification and self-location.

doi.org/10.1016/j.neur…
So... body self-consciousness (a.k.a. interoception) holds great significance for understanding how fatigue shapes the self.

It also helps explain some interesting findings from qualitative research on chronic illness...
In a synthesis study of the sick role, Paterson (2004) described how people put illness in the foreground of their lives when they perceive reduced capacity to live a normal life.

doi.org/10.1111/j.1547…
Also, before I finish this thread. Thanks for asking about the emerging research on human consciousness & fatigue, Avash!

I hope this thread does justice explaining just a small slice of the research out there.

@unaccostomed1

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More from @TheHenleyShift

19 Sep
There are different species of 'anti-vaxxer' AND they each have different needs to join the herd of vaccinated Albertans.

So... what's your 'anti-vaxxer' personality, Alberta?

#COVID19AB Image
THE WILD WOLF

Wild wolves absolutely refuse to get vaccinated, and often travel in packs. They are loud and vocally opposed to vaccines, because they seek to lead their pack... or at least maintain close ties with a small group of friends & family (who are also anti-vaxx). Image
THE LAZY BEAR

The most common type of 'anti-vaxxer'. They aren't really against vaccination, but just need a bit of a push to book an appointment. The lazy bear is happy to just keep masking and social distancing until everyone else gets vaccinated. Image
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27 Jul
Why would Alberta allow for attrition of #abhealth nurses rather than just lay them off?

Well, #AbLeg. Let me introduce to you former Premier Mike Harris, mid-1990's Ontario and the economic costs of hospital restructuring.
Shortly after assuming office in 1995, `Mike the Knife` moved swiftly to close several hospitals, lay off hundreds of nurses and dramatically reduce health care costs.

(Image Source: @macleans) MacLean's cover following election of Mike Harris (1995)
In response to public antipathy, Mike said:
"Just as Hula-Hoops went out & those workers had to have a factory...that would manufacture something else... governments have put off these decisions for so many years that restructuring sometimes is painful."
-@globeandmail (1997)
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17 Jul
Why would #abhealth nurses quit a well-paying job?

Well, #AbLeg... let me briefly explain the link between nurse-sensitive outcomes, moral distress and burnout (with links to health sciences literature)...
Despite what @Alberta_UCP thinks, adequately staffed nursing units unequivocally prevent death.

One @TheLancet study found:
"An increase in a nurses' workload by 1 patient increased the likelihood of an inpatient dying within 30 days of admission by 7%"

doi.org/10.1016/S0140-…
This same study also found a moderating effect from highly-educated nurses on the units. That is, for every 10% increase in bachelor's degree prepared nurses the likelihood of mortality dropped by 7%.
Read 9 tweets

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