Physical needs and wants Flashcards
When do we get thirsty?
When water levels fall by 2%
What are the 3 components in appetite control?
Homeostasis, cognition and reward system
What does the hypothalamus do?
Communicates to kidneys to reserve water, controls salt concentration and produces psychological state of thirst
What do heavy drinkers lead to?
greater food intake and greater energy intake
What is the Golden Rule of Habit Change?
Identify what the cue is and modify the routine to achieve the same goal
Who said portion size is increasing?
Benson (2009)
When you have poor regulation system of the reflective system, what does this cause?
Increase in impulsive behaviours
What is Pavolvian control
consuming pallatable food because of rewards
Who created the model of appetite control?
Higgs et al. (2017)
What substance increases food intake?
Alcohol
Who came up with the cognitive & reward processing system?
Strack & Deutsch (2004)
when do we get dehydrated?
water levels fall by 3%
Why does a habit maintain
Repetition strengthens loop, cravings, neuroplasticity in the reward processing
Who created the Habit Loop model?
Dunigg (2012)
When was Hull’s drive theory of motivation?
1940-50s
What are the two parallel systems in the cognitive & reward systems?
Reflective and impulsive
Hull’s equation
likelihood of behaviour = drive x habit strength
osmometric thirts
intercellular lack of fluid
what hormones are for sateity
CKK, GLP-1 and Peptide YY
Where does water exist?
intercellular and extracellular (blood plasma)
Who did the study that claimed alcohol intake affected attentional bias toward food
Gough et al (2021)
Who said distractions at meal time could affect food intake
Oldham-Cooper et al. (2010)
What other areas affect food intake?
Episodic memory and damage to hippocampus causes hyperphagia
Year of Maslow Hierachy of needs?
1943
What is a habit?
Repetitive act performed by an individual
What is ghrelin?
hunger hormone
What did Maslow say about physiological needs?
Lower needs like food and water must be met first
What is hyperphagia?
exessive food intake
What does greater impulsive driven behaviours do?
cause inhibitory control and leads to weight gain
What is habit loop model?
cue, routine, reward
Who did the study on alcohol consumption and food intake?
Kwok et al (2019)
