Spatial Summation Occurs in a Postsynaptic Neuron

question 111

Multiple Choice

Spatial summation occurs in a postsynaptic neuron

• A) when several EPSPs from a single presynaptic input sum to reach threshold.
• B) when EPSPs from several presynaptic inputs sum to reach threshold.
• C) upon simultaneous interaction of an EPSP and an IPSP.
• D) when several IPSPs from a single presynaptic input sum to hyperpolarize the membrane.
• E) none of these answers.

---

Definitions:

Humanistic Perspective

An approach in psychology that emphasizes empathy and stresses the good in human behavior, focusing on the individual's potential and stressing the importance of growth and self-actualization.

Psychoanalytic Theory

A theory of personality organization and the dynamics of personality development that guides psychoanalysis, the clinical method for treating psychopathology.

Humanistic Perspective

A psychological approach emphasizing individual potential for growth and the role of unique perceptions in guiding behavior and mental processes.

Unconscious Motivations

Drives and desires that influence an individual's thoughts and behaviors without their conscious awareness.