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Interesting Involuntary Facts You Must Learn

Following is our collection of super amazing and curious facts and details explaining Involuntary. This list is intended for research in school, for college students or just to feed your brain with. Possible use cases are in quizzes, differences, homework facts legend, cover facts, and many more. But nevertheless learn why is Involuntary so important!

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What is Involuntary about?

Top 10 Involuntary facts that will blow your mind.

  1. John Belushi's drug dealer was charged with first degree murder for administering the injection that killed him, and later served 15 months in prison after pleading to involuntary manslaughter.

  2. A hypnic jerk is a brief and sudden involuntary contraction of the muscles of the body which occurs when a person (not only me apparently) is beginning to fall asleep, often causing the person to jump and awaken suddenly for a moment

  3. After winning the gold at the 1980 Olympics, Polish vaulter Wladyslaw Kozakiewicz, in defiance of the jeering Soviet crowd, flipped "the arm", twice. The Soviets later asked that he be stripped of his medal to which the Polish government replied that it was caused by "involuntary muscle spasms".

  4. In 2008, after receiving an email from Steve-O suggesting his possible suicide, Johnny Knoxville and other friends placed Steve-O on an involuntary 72-hour psychiatric hold, which was later lengthened to 14 days after an apparent suicide attempt.

  5. Regularly drinking excessive amounts of Mountain Dew (2-8L/day) can cause a rare neurological disorder with symptoms of memory loss, fatigue, headache & involuntary movements. The disorder is due to bromine accumulating from the brominated vegetable oils used in some citrus-flavored drinks.

  6. Human fingers/toes getting wrinkly when in the bath/swimming is a actually NOT caused by water soaking into the skin. This effect does not happen if there is nerve damage in the finger, which means it is actually an involuntary autonomic nervous system response causing wrinkly fingers.

  7. A precinct of the NYPD threatened street cops with involuntary detainment in "psychiatric emergency departments" if they became whistleblowers.

  8. Up to 70% of people will experience a hypnagogic jerk when falling asleep. A hypnagogic jerk is an involuntary muscle spasm that occurs as a person is drifting off to sleep. The phenomenon is so named in reference to the hypnogogic state — the transitional period between wakefulness and sleep.

  9. John Wayne Gacy claimed his 1st murder happened when he awoke to see a male acquaintance in his room holding a knife. After killing him, Gacy noticed the breakfast the man had prepared them, presumably using the knife. Gacy said his involuntary orgasm from the murder was the "ultimate thrill"

  10. The Clever Hans effect is where a trained animal appears to be performing intellectual tasks, but is in actuality responding to involuntary cues in the body language of human trainers. The effect is named after a horse which was claimed to be able to perform arithmetic.

Funny involuntary details

Interesting definitions that can be fact checked.

Female ejaculation, aka squirting, is actually just an involuntary release of urine

The main difference between a confederation and a federation is that the membership of the first is voluntary and the second is involuntary

The defense mechanism of the American Opossum, "Playing Dead", is an involuntary action. The opossum will seize up, evacuate bowels, and excrete "dead thing" smell from a gland

Coprolalia -- the involuntary uttering of obscene words in inappropriate situations sometimes found in people with Tourette's -- has been observed in some deaf people, who involuntarily swear in sign language.

The "Playing dead" defense is actually an involuntary response for an opossum. Stress causes the opossum to go into shock inducing a comatose state lasting anywhere from 40 minutes to 4 hours. Opossums produce a mucus in this state which smells of decay and often are mistakenly buried alive.

The term "incel" and the concept of "involuntary celibacy" was coined by a woman.

The wrinkling of fingers and toes when taking a bath is an involuntary reaction of the autonomic nervous system that increases the ability of hands and feet to grip wet environments.

The concept of "involuntary memory" where ordinary cues in life evoke recollections of the past, and memories most easily recalled are related to the amount of emotion associated with them.

About "Clever Hans", a horse that was claimed to have performed arithmetic/intellectual tasks but in reality was "just" responding directly to involuntary cues in the body language of the human trainer, who had the faculties to solve each problem but wasn't aware that he was providing such cues.

There is a medical term for having a song stuck in your head. Involuntary Musical Imagery

He made many contributions to physiology and neurology but his most famous work was on conditioning and involuntary reflex.

Dolphins have to manually breathe. They have a voluntary respiratory system, unlike our involuntary respiratory system. And to sleep, they shut down half of their brain then switch halves when one side is rested.

A somewhat rare, often musician-oriented condition called 'Focal Dystonia' which affects finger coordination due to involuntary movement can be partially controlled (in some cases) by simply wearing a glove.

Duchenne smiles; a "genuine" smile where involuntary facial muscle contractions occur. In a study, a man with partial facial paralyses cannot fake a smile, but produces one when truly happy. *Also*, some can fake Duchenne smiles (e.g. actors), suggesting we might hack our own emotional brain.

Female “squirting” is essentially the involuntary emission of urine during sexual activity

Buddhist tradition suggests that a Buddha is fully awakened being, with a pure mind (free of the three poisons of desire), who is no longer bound by involuntary rebirth (Samsara), and who suffers no longer.

The LA Fitness Murderer railed online about his involuntary celibacy before killing 3 and injuring 9 in an aerobics class

Sarah Jones, a camera assistant who was struck and killed by a train while working on the film Midnight Rider. Director Randal Miller was charged with criminal trespass and involuntary manslaughter and became the first director to go to jail as a result of a death on set.

Dogs kicking their legs when you scratch their bellies is an involuntary reflex and not an indication that your scratching feels good.

Once swallowed, food passes through the esophagus, becoming a small round ball. At this point the process of digestions becomes involuntary. The digestive system essentially "takes it from here".

Black Codes were often successfully challenged in court as violations of the Thirteenth Amendment of the United States Constitution, which outlaws involuntary servitude other than for a crime.

Automatism is a rarely used criminal defence which denies that the accused was criminally responsible for his or her actions. Intoxication generally excludes automatism, even when involuntary. Situations include reflex movements, sleep, hypnotism, concussion, provocation, and sleepwalking

Pollen and nectar of some species of rhododendron contain toxic substance called grayanotoxin that can induce poisoning of humans and animals. Horses are especially sensitive to this type of toxin. Signs of intoxication include abdominal pain, irregular heartbeat, involuntary muscle contractions and coma that can lead to death.

Involuntary muscle movements generally associated with Parkinson's Disease (dyskinesia) are actually a side effect of the medication used to treat PD, not of PD itself

Not everyone visualizes numbers in the same way. Some people have an involuntary and automatic mental map of number form or automatically see colors when they think of numbers.