Understanding Cognitive Processes in Rehabilitation
Most clinicians hear the word cognition and immediately think:
👉 memory
👉 attention
👉 maybe executive function
But cognition is not a single skill.
It is the entire system that allows a person to take in, process, and use information.
And that system is involved in everything we do in rehab.

What Cognition Actually Is
At its core:
👉 Cognition is how we acquire, interpret, store, and use information.
That includes:
- sensory input
- interpretation
- decision-making
- organization
- execution
So whether a patient is:
- walking
- speaking
- completing a task
- following instructions
👉 cognition is already involved.
Not as a separate domain.
As the driver of performance.
Why This Matters Across Rehab
One of the biggest clinical mistakes is assuming:
👉 cognition belongs to one discipline
It doesn’t.
- Movement requires cognitive processing
- Communication requires cognitive processing
- Task completion requires cognitive processing
There is no version of rehabilitation where cognition is not involved.
So the question is not:
👉 “Do I treat cognition?”
The question is:
👉 “Where is cognition breaking down in this patient?”

Cognition Is a Continuum
Not all cognitive breakdown looks the same.
At a basic level, patients must be able to:
- follow simple directions
- recognize information
- group items
At higher levels, they must:
- plan
- organize
- sequence
- adapt
When those systems break down:
👉 the task breaks down
Even if strength, mobility, or language are intact.
đź§ The Brain Behind It
Most cognitive processing occurs in the cerebral cortex.
This is where:
- information is received
- processed
- and sent back out as action
The cortex is not one function.
It is a network, divided into regions that support different roles.
When a specific area is impacted:
👉 you don’t get random deficits
👉 you get predictable patterns of breakdown
Author Information:
Michelle Eliason, MS, OTR/L
Occupational Therapist & Functional Cognition Educator
Owner, Buffalo Occupational Therapy
PhD Candidate, Rehabilitation Science
Founder of BOT Portal — a clinical system for real-world cognition
Inside this Functional Cogniton Lab Edition:
- How to grade alternating attention tasks up and down
- When to stop (error thresholds, fatigue, breakdown patterns)
- How to increase complexity without overwhelming the patient
