Mental fitness glossary

Mental fitness glossary

Essential terms for peak performance

Essential terms for peak performance

A picture with the words "mental fitness matters" to introduce the glossary
A picture with the words "mental fitness matters" to introduce the glossary
A picture with the words "mental fitness matters" to introduce the glossary

Introduction

Mental fitness is the foundation of high performance, resilience, and well-being in both personal and professional contexts. Just as physical fitness requires understanding key concepts like strength, endurance, and flexibility, developing mental fitness demands familiarity with essential psychological and cognitive principles.


This comprehensive glossary defines the core terms every leader, professional, and individual committed to mental fitness should know. Whether you're beginning your mental fitness journey or looking to deepen your understanding, these definitions provide the knowledge base to build lasting resilience and peak performance.

Adaptive capacity

The ability to adjust thoughts, behaviors, and strategies in response to changing circumstances or new information. This flexibility is crucial for maintaining mental fitness in dynamic, unpredictable environments.

Cognitive load management

The practice of optimising mental resources by managing the amount of information and tasks the brain processes simultaneously. Effective cognitive load management prevents mental fatigue and maintains peak performance.

Cognitive resilience

The ability to stay clear-headed, adaptable, and focused when facing pressure or uncertainty. It helps leaders recover from setbacks, make sound decisions, and maintain mental agility in high-stakes situations.

Deliberate practice

A highly structured activity designed specifically to improve performance through focused attention, immediate feedback, and repetition with refinement. This concept applies to developing mental skills just as it does to physical or technical abilities.

Emotional regulation

The skill of managing and responding to emotional experiences in a healthy, productive way. This involves recognising emotions, understanding their triggers, and choosing appropriate responses rather than reacting impulsively.

Flow state

A mental state of complete immersion and focus in an activity, characterized by effortless concentration, loss of self-consciousness, and optimal performance. Achieving flow regularly is a key indicator of mental fitness.

Grit

The combination of passion and perseverance toward long-term goals, involving maintained effort and interest despite challenges, adversity, and plateaus in progress. Grit is essential for sustained mental fitness development.

Mental fitness

The capacity to maintain optimal cognitive and emotional performance under pressure. Mental fitness encompasses psychological resilience, emotional regulation, focus, and the ability to adapt to challenges while maintaining well-being and effectiveness.

Metacognition

The awareness and understanding of one's own thought processes—thinking about thinking. This includes monitoring your mental state, recognising cognitive biases, and adjusting thinking strategies for better outcomes.

Mindfulness

A state of active, open attention to the present moment, observing thoughts and feelings without judgment. In mental fitness, mindfulness enhances focus, reduces stress, and improves emotional awareness and self-control.

Neuroplasticity

The brain's ability to reorganise, form new neural connections, and adapt throughout life. Understanding neuroplasticity empowers individuals to actively develop mental fitness through targeted practices and habits.

Positive psychology

The scientific study of human flourishing, focusing on strengths, virtues, and factors that contribute to well-being rather than just treating mental illness. This approach emphasises building mental fitness proactively.

Psychological safety

An environment where individuals feel safe to express ideas, ask questions, admit mistakes, and take risks without fear of negative consequences. This foundation enables peak mental performance and learning.

Self-efficacy

The belief in one's ability to execute behaviors necessary to produce specific performance attainments. High self-efficacy enhances motivation, resilience, and the willingness to take on challenging goals.

Stress inoculation

The process of gradually exposing oneself to manageable levels of stress to build resilience and coping capacity. Like physical exercise strengthens muscles, controlled stress exposure strengthens mental resilience.

The Inner Advantage

Mental Fitness for lasting impact.

Insights and strategies to strengthen your mindset and perform at your best.

The Inner Advantage

Mental Fitness for lasting impact.

Insights and strategies to strengthen your mindset and perform at your best.

The Inner Advantage

Mental Fitness for lasting impact.

Insights and strategies to strengthen your mindset and perform at your best.