Reaction Time

What Causes Slow Or Fast Reaction Time?

Slow or fast reaction time can have various causes, ranging in severity from 'worrying' to 'very serious'.  Finding the true cause means ruling out or confirming each possibility – in other words, diagnosis.

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Diagnosis is usually a complex process due to the sheer number of possible causes and related symptoms.  In order to diagnose slow or fast reaction time, we could:

  • Research the topic
  • Find a doctor with the time
  • Use a diagnostic computer system.
The process is the same, whichever method is used.

Step 1: List all Possible Causes

We begin by identifying the disease conditions which have "slow or fast reaction time" as a symptom.  Here are three possibilities:
  • Hypothyroidism
  • Premature Aging
  • Parkinson's Disease

Step 2: Build a Symptom Checklist

We then identify all possible symptoms and risk factors of each possible cause, and check the ones that apply:
slowed pulse rate
constant fatigue
having non-scalp scaly/flaky skin
often/always feeling unusually cold
great loss of muscle tone
very low free T4
short-term memory failure
hand tremors
high iodine consumption
difficulty losing weight
rapidly declining health
fair recovery from exertion
... and more than 50 others

Step 3: Rule Out or Confirm each Possible Cause

A differential diagnosis of your symptoms and risk factors finds the likely cause of slow or fast reaction time:
Cause Probability Status
Hypothyroidism 90% Confirm
Premature Aging 15% Unlikely
Parkinson's Disease 4% Ruled out
* This is a simple example to illustrate the process

Arriving at a Correct Diagnosis

The Analyst™ is our online diagnosis tool that learns all about you through a straightforward process of multi-level questioning, providing diagnosis at the end.

In the Muscular Symptoms section of the questionnaire, The Analyst™ will ask the following question about reaction time:
How quick would you say is your reaction time / reflex? An example would be how fast your foot hits the brake when you see the car in front brake.
Possible responses:
→ Very slow/poor
→ Slow/poor
→ Average / don't know
→ Fast/good
→ Very fast/good
Based on your response to this question, which may indicate either slow reaction time or fast reaction time, The Analyst™ will consider possibilities such as:

Slowed reflexes are a sign of hypothyroidism.

Parkinson's Disease

Signs of Parkinson's disease include stiffness or slowness of movement, a shuffling walk, stooped posture, and difficulties in performing simple tasks.

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