EQ Plasticity—Emotional Intelligence as Learnable Skill, Not Fixed Trait

Definition

Unlike IQ, which is fixed from birth, emotional intelligence is "a flexible skill that can be learned." The book grounds this in neuroplasticity: when you practice an EQ strategy repeatedly, neurons in the pathway between the limbic (emotional) and prefrontal (rational) systems grow new connections, much like muscles strengthening through exercise. A single neuron can grow up to 15,000 connections with neighbors. This chain reaction makes the new behavior pathway progressively easier to activate until it becomes habitual. Studies show lasting EQ gains persist more than six years after initial skill adoption.

In the Book

The book devotes a chapter ("Digging In: My Emotional Intelligence Action Plan") to explaining plasticity and why EQ is trainable. It uses the metaphor of biceps curling: "the brain grows new connections much as your biceps might swell if you started curling heavy weights." The book emphasizes that early difficulty is expected—if you normally yell when angry, learning to choose an alternative reaction will be "extremely difficult" at first, but "each time you succeed, the new pathway is strengthened." The authors note that most people see measurable, enduring changes "three to six months after they begin working on a skill." The book cites research from the University of Queensland showing that people low in both EQ and job performance can "match their colleagues who excel in both—solely by working to improve their EQ."

Why It Matters

This concept demystifies EQ development and attacks the "you either have it or you don't" fatalism that prevents people from trying. It also explains why EQ improvement requires time and repetition—you are literally rewiring your brain, not acquiring information. This has implications for coaching, HR development, and self-help: improvement is possible but requires sustained practice. It also suggests that EQ training is a legitimate ROI investment for organizations, since the gains are durable and the mechanism is understood.