The Psychology of First Impressions: How Your Brain Decides in Seconds

Introduction

Have you ever met someone and instantly felt like you knew whether you liked them or not? This snap judgment, often called a "first impression," happens in mere seconds. But what really goes on in our brains when we meet someone for the first time?

The Science Behind First Impressions

Studies show that our brains take as little as 100 milliseconds to form an initial judgment about a person based on their facial appearance. This rapid assessment is a survival mechanism, helping us determine whether someone is a potential ally or a threat.

Key Factors That Influence First Impressions

1. Facial Expressions – A smile can make someone appear more trustworthy, while a frown can have the opposite effect.

2. Body Language – Open postures suggest confidence and friendliness, while closed-off body language can create a sense of distance.

3. Tone of Voice – The way someone speaks (even over the phone) plays a huge role in how they are perceived.

4. Clothing & Grooming – People subconsciously associate certain styles with professionalism, creativity, or approachability.

5. Eye Contact – Too much or too little eye contact can influence how people perceive confidence and honesty.