The First Photographic Film Using the "Negative-Positive" Principle Was Invented

question 28

Multiple Choice

The first photographic film using the "negative-positive" principle was invented by an Englishman named ______.

• A)William Henry Fox Talbot
• B)Julia Margaret Cameron
• C)Timothy O'Sullivan
• D)Henri Cartier-Bresson
• E)Louis-Jacques-Mandé Daguerre

---

Definitions:

Electroconvulsive Therapy

A psychiatric treatment in which electric currents are passed through the brain, intentionally triggering a brief seizure to treat certain mental disorders.

Psychosurgery

A medical procedure that involves operating on the brain to treat mental illness or abnormal behavior, now rare due to advancements in psychiatric medication and therapies.

Trephining

Trephining, or trepanation, is an ancient surgical intervention that involves drilling or scraping a hole into the human skull, historically performed for medical and ritualistic purposes.

Antipsychotic Drugs

Medications used to treat symptoms of psychotic disorders, such as schizophrenia and bipolar disorder, by altering brain chemistry.