[M6] Longitudinal Associations Between Blood Lead Concentrations and Neurodevelopment

These flashcards cover key vocabulary and concepts related to the effects of blood lead levels on neurodevelopment in children, emphasizing findings from the study conducted in Mexico City.

Blood Lead Concentration

The amount of lead found in the blood, measured in micrograms per deciliter (µg/dL).

Neurobehavioral Development

The development of behaviors and cognitive abilities in children, which can be affected by environmental factors.

Bayley Scales of Infant Development II

A standardized test that assesses the development of infants and toddlers.

Mental Development Index (MDI)

A score obtained from the Bayley Scales measuring cognitive and intellectual development.

Psychomotor Development Index (PDI)

A score from the Bayley Scales that assesses motor skills and physical coordination.

Supralinear Relationship

A relationship where increases in one variable are associated with disproportionately larger increases in another variable.

Environmental Exposure

Contact with environmental factors (toxins, pollutants) that can affect health and development.

Threshold Level

A specific level of exposure below which no adverse effects are expected to occur.

Longitudinal Study

A research study that follows the same subjects over a period of time to observe changes.

Cohort Study

A type of longitudinal study that follows a group of people who share a common characteristic over time.