The orientation of a line at a given position in visual space is represented by a small volume of primary visual cortex, known as an orientation column. Although cells within such a column share some ...

Elvis Picardo is a regular contributor to Investopedia and has 25+ years of experience as a portfolio manager with diverse capital markets experience. Suzanne is a content marketer, writer, and ...

Consumers in the United States say Google and Netflix are the most "simple" brands, according to recent research from Siegel+Gale. The report was based on data from a survey conducted in July 2016 of ...

ETFs allow investment in diversified portfolios via a single transaction, mimicking index performance. ETFs are more liquid than mutual funds, trading like stocks with fluctuating prices throughout ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Carbohydrates are not the enemy; complex carbs from whole, unprocessed plant foods provide nutrients, while simple carbs from processed foods offer fewer benefits. To cut back on carbs, reduce ...