Which Type of Psychologist Is Concerned with Changes in Behaviour

question 105

Multiple Choice

Which type of psychologist is concerned with changes in behaviour throughout the life span?

• A)social
• B)developmental
• C)personality
• D)cognitive

---

Definitions:

Resting Membrane Potential

The electrical charge difference across the cellular membrane when a neuron or muscle cell is at rest, typically around -70 mV.

Afterpotential

The electrical changes that occur in a neuron immediately following an action potential, which can affect the neuron's ability to fire again.

Permeability

Permeability refers to the ability of a material or membrane to allow liquids or gases to pass through it.

Sodium-Potassium Pump

The sodium-potassium pump is a membrane-bound enzyme critical for cellular function, actively transporting sodium out of and potassium into cells, helping maintain cellular electrochemical gradients.