On approaches to explaining cardiovascular reactivity: toward explanations that explain

Area of Science:

• Physiology
• Psychology
• Systems Theory

Background:

• Cardiovascular reactivity phenomena are often explained using control-system models.
• Pavlovski proposes a purposive, teleological control-system analysis for these phenomena.
• This approach faces criticism for potential circularity and lack of strong-inference research.

Purpose of the Study:

• To critically evaluate Pavlovski's purposive control-system analysis of cardiovascular reactivity.
• To explore the explanatory potential of the Stimulus-Organism-Response (S-O-R) approach.
• To advocate for non-purposive control-system explanations that offer genuine logical understanding.

Main Methods:

• Conceptual analysis of Pavlovski's control-system model.
• Comparison with the Stimulus-Organism-Response (S-O-R) framework.
• Examination of explanatory circularity and rhetorical understanding.

Main Results:

• Pavlovski's purposive control-system analysis is identified as teleological, potentially leading to circular and empty explanations.
• The S-O-R approach offers potential for non-circular explanations if its constructs are defined in cause-effect terms.
• Evidence may necessitate a control-system construct for cardiovascular reactivity, but it requires non-purposive supplementation.

Conclusions:

• Purposive control-system explanations for cardiovascular reactivity lack empirical rigor and logical depth.
• A robust understanding of cardiovascular reactivity requires non-purposive, cause-effect-based control-system models.
• The S-O-R framework, when properly specified, can support more scientifically valid explanations.