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During the Marvalous Health Brain Training & Coaching programmes, the topic comes up almost as standard. How do you see the world and to what extent are you able to think about what you think? You’ve heard me say the latter many times before. It is therefore really essential to prevent your habits and beliefs – everything you have been given both consciously and especially unconsciously in your life – from continuously determining how you experience reality.

How does perception work in the brain?

Perception starts with the sensory input we receive through our senses: sight, hearing, taste, smell and touch. This information is transmitted to the brain, where it is processed and interpreted. Our brain combines this raw sensory data with previously stored information, such as memories and expectations. This means that what we see, hear or feel depends not only on the direct sensory input, but also on how our brain interprets this input based on previous experiences.

The role of beliefs

Our system of beliefs forms a filter through which we perceive the world. Beliefs are deeply ingrained ideas about ourselves and the world around us, shaped by our experiences, upbringing, culture and social environment. These beliefs influence our perception in different ways:

  • Selective Perception. We tend to pay attention to information that confirms our existing beliefs and ignore or minimise other information. This phenomenon is known as confirmation bias.
  • Interpretation. The way we interpret events is strongly influenced by our beliefs. For example, if we believe that the world is a dangerous place, we are more likely to interpret neutral or ambiguous situations as threatening.
  • Memory. Our beliefs also influence what we remember. We tend to store memories that are consistent with our beliefs and forget others.

Interaction between our brain and our beliefs

The interaction between our brain functions and beliefs is dynamic and reciprocal. While our beliefs influence our perception, new experiences and information can also change our beliefs. This adaptive mechanism allows us to learn and adapt to changing circumstances, but can also lead to cognitive dissonance when new information conflicts with our existing beliefs.


The more brain capacity you have available, the better you can think about what you think and the better your perception of reality! This helps us to be more conscious of our perceptions and open to new information that can enrich and modify our beliefs.

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