Have you ever noticed strange shapes floating in your vision from time to time with different shapes, sizes, and forms? They are definitely not optical illusions, and they will tend to drift away with a slight lag from our sight when we try and look at them directly. These little objects that float in our… Continue reading Eye Floaters – Why do we get eye floaters?
Tag: eyes
Why do we cry – The reason behind it
Usually, we relate crying to sadness. But, do you know why we really cry? Experts believe crying may be an evolutionary trait. When our ancestors hurt themselves or felt upset, they cried. Their tears evolved as a way to send a message to people close to them that they needed help from others. The same… Continue reading Why do we cry – The reason behind it
Why do we feel better after crying?
Usually, humans tend to cry in tears when they are emotional. Negative emotions like sadness, grief, anger, suffering, mourning, or physical pain produce emotional tears. Even extreme happiness during times of intense humor and laughter also produces emotional tears. Whether we are really happy or sad, our limbic system in the brain feels it is… Continue reading Why do we feel better after crying?
Types of tears – Why older adults get dry eyes more?
Tears are an essential substance produced by our bodies. The lacrimal gland situated just above our eyeballs produces all human tears. Their primary purpose is to clean and lubricate the eyes, remove irritants, supports the immune system and as a part of the body's natural pain response. They are composed of water, salts, fatty oils,… Continue reading Types of tears – Why older adults get dry eyes more?
Scopaesthesia / Gaze detection – Do you feel like you are being watched?
Do you have a constant feeling that someone is watching you? Sometimes it could be true. The phenomenon in which humans detect that they are being watched or stared is called the Psychic staring effect. The technical term for this is Scopaesthesia. Edward B. Titchener The phenomenon was first explored by psychologist Edward B. Titchener… Continue reading Scopaesthesia / Gaze detection – Do you feel like you are being watched?
Locked-in syndrome – Locked inside the body alive?
There is a condition in which a person has complete paralysis of all voluntary muscles of the body except for vertical eye movements and blinking. It is a rare neurological disorder. As the patient is locked inside their nonfunctional body, it is often described as the closest thing to being buried alive. The term for… Continue reading Locked-in syndrome – Locked inside the body alive?
Saccadic masking – You are blind almost 40 mins in a day
Can you believe if a person who can completely see is blind almost 40 mins to an hour per day? This phenomenon is called Saccadic Masking and also known as (visual) Saccadic suppression. It is a visual illusion where the brain selectively blocks visual processing during our eye movements. A saccade is a quick, simultaneous… Continue reading Saccadic masking – You are blind almost 40 mins in a day
Stuff I Learned 