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Also problematic is the fact that the deterministic depletion-repletion concept of ingestive behavior fails to account for influences of a multitude of contravening cognitive, social, sensory and logistical factors. Although hunger and thirst serve some parallel purposes, sharp distinctions are also present with health implications.
Jul 27, 2023 · Hunger - The Drives Motivating Eating. Hunger is a classic example of a drive state, one that results in thoughts and behaviors related to the consumption of food.As we will see, hunger is often triggered by low glucose levels in the blood (Rolls, 2000), and behaviors resulting from hunger aim to restore homeostasis regarding those glucose levels.
"Ingestive Behavior", eating and drinking, is a fascinating topic when considered from the perspective of a biological psychologist. Why? The connection between the biological need for food (energy, nutrients) and water (hydration) lead to drive states (hunger and thirst) that motivate us to engage in behaviors to meet those needs.
Flavor strength , sweetness , and temperature [41,42] can all be manipulated to enhance non-homeostatic ingestive behaviors such as drinking highly palatable energy-yielding beverages to satisfy thirst in the absence of energy need. In our study sample, individuals responded “appropriately” by consuming water in response to thirst, in the absence of hunger, only 2% of the time.
Although thirst and hunger have historically motivated drinking and feeding, respectively, the high and increasing consumption of energy-yielding beverages and energy-diluted foods may have degraded the predictive value of these sensations on ingestive behavior. Our within subject (ie, multiple responses from the same individuals), observational (ie, free-living, with no intervention) study ...
- Fiona McKiernan, James H. Hollis, George P. McCabe, Richard D. Mattes
- 2009
Apr 26, 2010 · Mean self-reported ratings of hunger (left panel) and thirst (right panel) over the 4-hour period prior to an eating (left panel) or drinking (right panel) occurrence with no ingestive events occurring during the 4-hour period before or the 2 h after the ingestive event (solid bars). Hatched bars represent ratings when excluding only foods, but where some drinking occurred (right panel) or ...
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Thirst is somewhere in between because thirst neuron activity corresponds well with drinking behavior, but major satiation signals derive from oropharyngeal and gut areas (Augustine et al., 2019; Augustine et al., 2018a; Zimmerman et al., 2019; Zimmerman et al., 2016). This combination may allow animals to consume enough water before satiation signals terminate the behavior.
