Abraham Maslow is widely recognized as the founder and leading figure of Humanistic Psychology.

Self-Actualization, the process of realizing one's full potential, is a central concept in Humanistic Psychology.

Client-Centered Therapy emphasizes creating a supportive environment for clients to explore their inner experiences and promote personal growth.

Viktor Frankl, known for his Logotherapy, coined the term 'Existential Vacuum' to describe a sense of emptiness and meaninglessness in life.

Existential Therapy aims to help individuals confront existential concerns and discover meaning and purpose in their lives.

Carl Rogers described the 'Fully Functioning Person' as an individual who is open to experience, trusting of their intuition, and capable of deep relationships.

In Humanistic approaches, the therapist serves as an empathetic facilitator, providing a supportive environment for clients' self-exploration and growth.

Humanistic Psychology emphasizes the conscious experience and personal agency, rather than focusing primarily on unconscious processes.

The Pollyanna Principle refers to the tendency to focus on positive aspects and minimize negative ones, often associated with Humanistic Psychology.

Abraham Maslow's 'Hierarchy of Needs' theory suggests that individuals must satisfy basic needs before pursuing higher-level needs like self-actualization.

Self-Determination refers to the belief that individuals have the ability to make choices and direct their own lives, a core principle in Humanistic Psychology.

Abraham Maslow described 'Peak Experiences' as moments of intense joy, awe, and transcendence, often associated with self-actualization.

Unconditional Positive Regard refers to the acceptance and appreciation of individuals for who they are, without judgment, a key principle in Humanistic Psychology.

Viktor Frankl introduced the concept of 'Existential Anxiety' as a natural response to the awareness of one's mortality and the search for meaning in life.

Self-Serving Bias refers to the tendency to take credit for positive outcomes while blaming external factors for negative ones, a common cognitive bias in human psychology.