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On the duration of spatial fluency measures
M P Santa Maria1, J A Martin, C M Morrow
1Dept. of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA.
The International Journal of Neuroscience
|March 27, 2001
Summary
The Five-Point Test shows fewer unique designs and more errors over time in healthy adults. Extended testing reveals progressive changes, impacting clinical use and optimal administration duration.
Area of Science:
- Neuropsychology
- Cognitive Neuroscience
Background:
- Spatial fluency tests assess right frontal lobe function.
- Diffuse cerebral injuries, like traumatic brain injury, impair spatial fluency.
- Current tests are brief (3-5 minutes), but longer tests yield more reliable data.
Purpose of the Study:
- To examine minute-by-minute performance on the Five-Point Test over ten minutes.
- To determine base rates of unique designs and perseverative errors in healthy adults.
- To establish optimal administration time for the Five-Point Test.
Main Methods:
- Administered the Five-Point Test to 80 healthy young adults.
- Recorded unique designs and perseverative errors each minute for ten minutes.
- Analyzed performance changes across minutes using statistical contrasts.
Main Results:
- A significant decrease in unique designs was observed up to the ninth minute (p<.001).
- A significant increase in perseverative errors occurred up to the eighth minute (p<.001).
- Performance demonstrated progressive decline in unique designs and increase in errors over time.
Conclusions:
- The Five-Point Test reveals time-dependent changes in healthy adults.
- Progressive decline in performance suggests extended administration may be beneficial.
- Findings have implications for optimizing test duration in clinical settings.