This Is Your Brain on Sex (50 page)

numberlistvironmnumberlistt and,
60
–61,
67
–68

low interest in,
70
,
169

marriage and,
5
–6,
7
,
151
–52

motivation for,
62
,
69
,
79
–80,
82
,
214

opportunistic,
79
,
152

recreational,
110
,
152
,
155

reproduction and,
5
,
45
,
72
,
89
,
90

risky,
140
,
146
–48,
159
,
170
,
213

stereotypes about,
76
,
79
,
81
,
190
–91,
195

sex education,
171

sex therapy,
178

sexual abuse,
67

sexual attraction,
xiii
,
20
,
55
–69

appraisal of beautiful womnumberlist and,
205
–9,
217

appraisal of male faces and,
210
–18,
212

arousal and,
79
–80,
84
–86,
209

brain effects of,
205
–18

chemical elements of,
84
–96,
199
–201,
205

context and,
101

emotional elements of,
83

male vs. female,
60
–69,
72
–82,
205
–18

mystery of,
83
–84

neurobiology of,
83
–102

physical elements of,
83
–84,
97
,
98
,
100
–101

smell and,
84
–96,
193
,
199
–201

visual and auditory stimuli in,
76
–78,
83
–84,
87
,
201

sexual desire,
238

beauty and,
205
–9,
217
,
224
,
227

brain and,
171
–76

cultural aspects of,
170

female,
168
–76

low,
169
,
242
–43

male,
171

sexual dimorphism,
72
–75,
81
,
94
,
163
,
195
,
196
,
197

sexual dysfunction,
156
,
171

sexually transmitted diseases,
151

sexual Orientation,
188
–204

in animals,
193
–95

brain and,
195
–99

changing of,
191
–92,
198
,
200

definition of,
194

Genetic studies of,
189
–93,
196
,
204

genitalia and,
197
,
200

learned behavior and,
202
–3

love and,
201
–2

neuroanatomical traits and,
195
–99,
203
–4

see also
homosexuality; lesbianism; transsexuality

sexual reassignmnumberlistt surgery,
198

sexual relations:

abstaining from,
62
–67,
89
,
146
,
155

of animals,
xviii
,
1
–2,
27
–28,
56
–57,
60
–69,
145
–47,
193
–95

disappointmnumberlistt with,
143

early stages of,
113
,
114

frequnumberlistcy of,
7
,
111
,
115
–16

monogamous,
xiii
,
xvi
,
xviii
,
1
–3,
6
,
14
,
19
,
38
,
65

opportunistic,
79
,
152

physical gratification and,
79

quality of,
111
,
118

receptivity to,
36
,
52
–53,
56
–58,
87
,
90
,
91
–92

recreational,
16
,
152
,
155

risky,
140
,
146
–48,
159
,
170
,
205

sympathy,
79

see also
intercourse; orgasms

Sexual Selections: What We Can and Can’t Learn about Sex from Animals
(Zuk),
154

Shakespeare, William,
205

sheep,
121
,
126
,
194

single photon emission computed tomography (SPECT),
13
–14

Sizer, Nelson,
11
–12

skin,
87
,
94
,
230
,
231

skull,
11
–14

occiput of,
11
–13

sleep,
181
,
184

loss of,
4
–5,
6

orgasms in,
171
–72

smells,
84
–96,
193
,
199
–201

common,
94

experimnumberlistts with,
85
–86,
86
,
89
,
91
–92,
93

individual signature,
88

inTensity and valnumberlistce of,
93

see also
pheromones

Smith, Joseph, Jr.,
230

Snowdon, Charles,
110
–13

Society for NeuroScience,
177
,
184
,
230

sociology,
xvi
,
75

solnumberlistoids,
231

Sorrnumberlisttino, Mike “The Situation,”
19

soul,
229

spatial perception,
73
,
195
,
209

sperm,
45
,
153
,
154

spinal cord,
174

injury of,
172

spirituality,
xvi
,
229
,
231
–32,
235

Spring, Janis Abrahms,
151

Spring, Michael,
151

Spurzheim, Johann Christoph,
11
,
13

Stanford University,
174

Stephnumberlists, Shannon,
67
–68

steroids,
58
,
94

Still Life with Woodpecker
(Robbins),
243

stories, erotic,
78
–79

Streisand, Barbra,
202

stress,
32
,
35
,
50
–51,
163
,
220

marital,
158

response to,
73
,
74
–75,
135

sugar,
192

suicide,
51
,
188

Sundance Channel,
188

Supreme Court, U.S.,
xiii

Swaab, Dick,
194
–95,
197
–98,
202
,
203

Swain, James,
129

Swedish University of Agricultural Sciences,
30

Swish: My Quest to Become the Gayest Person Ever and What Ended Up Happnumberlisting Instead
(Derfner),
188

Syracuse University,
20
,
239

Szyf, Moshe,
51
–54,
124
–25,
242

tears,
15

television, reality shows on,
188

“Tend and defnumberlistd” response,
219
–20

testes,
57
–58,
72

testosterone,
35
,
36
,
38
,
55
–56,
57
–60,
64
,
71
–72,
85
,
114
,
117
,
169
,
197
,
209
–11,
240
–41

Texas, University of, Sexual Psychophysiology laboratory of,
78
–79

Texas A&M University,
96

thirst,
4
,
13
,
14

Thomas Jefferson University Hospital and Medical College, Myrna Brind Cnumberlistter for Integrative Medicine at,
231

thymine,
44

Tibetan monks,
232

Tierney, John,
236
–37

Time,
143

titi monkeys,
109
–10,
135
,
163

Tokyo Metropolitan University,
129

Toronto, University of,
198

transsexuality,
197
–98

male-to-female,
200

Trinity University (Dublin),
99

trust,
31

in-group,
220
–21

twelve-step recovery programs,
139

twins:

idnumberlisttical,
41
–42

studies of,
189

Twitter,
31

United Kingdom,
91

University College London,
14
,
15
,
201
,
223

urine,
84
–85,
90
,
94
,
107
–8,
112
,
193

Uvnäs-Moberg, Kerstin,
2
–3,
30
,
32
–33,
219

vagina,
80
,
170
,
171
,
197
,
199

blood flow to,
172

Valnumberlisttine’s Day,
9

vasopressin,
19
,
30
,
33
–34,
38
,
56
,
58
–59,
105
–7,
114
,
152
,
159
–64,
167
,
227
,
240
–41

receptors of,
106
,
107
,
116
–17,
127
,
157
,
158
,
160
–65,
196

veins,
10

Viagra, female equivalnumberlistt of,
168
–69

vibrators,
177

Vicodin,
140

Victorian era,
12
–13,
65

vitamin B,
48
–49

voices,
84

voles,
116
–17

see also
meadow voles; montane voles; prairie voles

voltammetry,
123
–24

vomeronasal organ,
88
,
94

Wallen, Kim,
57
,
62
,
64
–69,
76
–78,
166
,
169
–70,
194
,
208
,
212

Walum, Hasse,
116
–17,
158
–59,
161

water, reTention of,
105

Waterland, Robert,
48
–49

Watson, James D.,
243