A decrease in food selectivity with an increasing prey density can thus be due to a decrease in the activity of the fish.

After overeating for a day or two, Dr. Levitsky said, people become very finicky; starving yourself will decrease food selectivity.

While males guard the eggs and therefore are tied to a nest during the breeding season, females have a higher mobility which leads to a higher prey encounter rate and hence a higher food selectivity than in males.

But is picky eating among young children really something to be concerned about?

There’s not one cause of picky eating; there are many.

The rest of us may not have the same excuse for our picky eating.

Picky eating, they suggest, may have developed as a protective mechanism.

In any case, picky eating does not seem to put children at risk for overall nutritional deficiencies, experts said.

Lopez said her picky eating started as an infant.

The four titles in this series of picture books, look at sharing, toilet training, picky eating and 'No' being the answer to everything.

Picky eating among toddlers and preschoolers appears to be widespread.

A parent may have to learn not to take a messy room or picky eating as a personal affront.

Reporter: Jacobsen explained that cleaning your plate could lead to picky eating.

How exactly are extended crying jags and picky eating during infancy related to later behavioral problems?

Once a child is about one year old, cooking separate dishes really is no longer necessary, and simply fosters picky eating.

Don’t worry about the picky eating.

Selective eating disorder, also called picky eating, is an extreme sensitivity to how something tastes.

Celebrity chef Jamie Oliver is warning parents not to give in to children with picky eating habits.

This is so common, and it is one of the things that contributes to 'picky eating' issues," Lemond said.

Picky eating starts to rear its ugly nose at about age 2, when a childs growth spurt slows.

Picky eating is VERY common at this age.

But my laissez faire philosophy is taken somewhat from my own experience as a child with picky eating habits.

The book promises a story of banishing picky eating by adopting continental mealtime behaviors, but we hope the title isn’t actually true.

The right words from his father's lips transformed picky eating into a virtue, but using the right words was all part of a diplomat's task.

Picky eating happens.

This doesn't mean that raising meat-free kids is a cakewalk -- especially given children's notoriously picky eating habits.

Dr. Logue became interested in food preferences because of her own picky eating, including an extreme dislike of fish.

If they can’t pinpoint the causes of picky eating, what makes Mommy McJudgerson down the block think she can?