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Chapter 10

PSY100Y5 Chapter 10: Ch 10 motivation and emotion


Department
Psychology
Course Code
PSY100Y5
Professor
Dax Urbszat
Chapter
10

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Ch – 10 Motivation and Emotion
Motivational theories and concepts
Motivation


Homeostasis:

Drive theories
A drive
 
!"
#!"

#$"
Incentive theories
%#
An incentive #
&
"


"#



Evolutionary theories


#
!#!!
'

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The motivation of hunger and eating
Biological factors in hunger regulation
'"(
)!"!

'"
*!#"!

+,
,
-"
./!! 0 !!
!#
'$
Glucose and digestive regulation
Glucose 
Glucostatic theory 

Glucostats:
1"
Hormonal regulation
Insulin:#
 
""

!CCK

Leptin '

"(1!

leptin resistance
2
Environmental factors in hunger regulation
3$&
1. Food availability and related cues
4"#5&
, %&!"
, 6&!
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, *&1
$!(,
,
5
2. Learned preferences and habits
,"
,"
"
,
,&!

3. Stress
, 7
, .$8
$"

Eating and weight: roots of obesity
Body mass index (BMI): "$
$9:
0':;,:<<"3=
+""
"
-5
#""

Causes of obesity
> Genetic predisposition:



2. Excessive eating and inadequate exercise
3. The concept of set point: 
set point theory

,$"
,7settling-
point theory:""

#4""
2
,2"",
("
#"!",
$,#!
""""
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