Professionals in this branch of psychology study a number of mental processes. A few of the most common-and important-mental processes that cognitive psychologists study include memory, perception, and learning.
A chief engineer (commonly referred to asChEng, the Chief or just Chief) is responsible for all operations and maintenance that has to do with any and all engineering equipment throughout the entire ship.n public works, such as for a city, county, military division, or federal program, the engineering department often has a chief engineer. This is typically shown as Office of the Chief Engineer in organizational charts.
Noun. 1. chief-a person who is in charge; the head of the whole operation. top dog, head. leader-a person who rules or guides or inspires others. administrator, executive-someone who manages a government agency or department.administrator, decision maker-someone who administers a business.hese adjectives refer to what is first in rank, importance, or influence: his chief concern; the foremost scholar in her field; the leading cause of heart disease; the main building on campus; the primary purpose of the legislation; a prime example of wasteful spending; the principal figures in the plot.