Conclusion
These results provide more evidence that motor coordination, IPS, VL, and WM may be internal characteristics of bipolar disease. When these characteristics are combined into a complex endophenotype, it may be possible to distinguish bipolar disorder patients and high-risk groups from normal populations.
Key Words: Bipolar disorder; Endophenotype; Neurological soft signs; Neurocognitive deficits; Information processing speed; Verbal learning; Working memory