sensory neurons {Ans: neurons that carry incoming information from the sense receptors to the central nervous system}insecure attachment {Ans: Infants are wary of exploring the environment and resist they cling to the mother or caregiver}intuition {Ans: Instinctive knowledge or feeling.}Two-Word Stage {Ans: Before the 2nd year, a child starts to speak in two-word sentences. This form of speech is called telegraphic speech because the child speaks like a telegram: "Go car," means I would like to go for a ride in the car}neurotransmitters {Ans: chemical messengers that traverse the synaptic gaps between neurons}one word stage {Ans: Beginning at or around his first birthday, a child starts to speak one word at a time and is able to make family members understand him. The word doggy may mean look at the dog out there.}nature vs nurture {Ans: controversy over the relative contributions that genes and experience make to the development of psychological traits and behaviors}top down processing {Ans: information processing guided by higher-level mental processes, as when we construct perceptions drawing on our experience and expectations}Hallucinogens {Ans: psychedelic drugs, such as LSD, that distort perceptions and evoke sensory images in the absence